It's not possible to free a dynamic column, since dynstr_free() is not exported. Additionally the initialization macro should have a mariadb_ prefix.
Suggested fix:
=== modified file 'include/ma_dyncol.h'
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--- include/ma_dyncol.h 2013-01-29 14:10:47 +0000
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+++ include/ma_dyncol.h 2013-09-04 06:59:14 +0000
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@@ -181,7 +181,7 @@
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enum enum_dyncol_func_result
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mariadb_dyncol_json(DYNAMIC_COLUMN *str, DYNAMIC_STRING *json);
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-#define dynamic_column_initialize(A) memset((A), 0, sizeof(*(A)))
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+#define mariadb_dyncol_init(A) memset((A), 0, sizeof(*(A)))
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#define dynamic_column_column_free(V) dynstr_free(V)
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/* conversion of values to 3 base types */
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=== modified file 'libmysql/CMakeLists.txt'
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--- libmysql/CMakeLists.txt 2013-07-21 14:39:19 +0000
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+++ libmysql/CMakeLists.txt 2013-09-04 06:52:40 +0000
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@@ -229,6 +229,7 @@
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mariadb_dyncol_update_many_named
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mariadb_dyncol_exists
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mariadb_dyncol_exists_named
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+mariadb_dyncol_free
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mariadb_dyncol_list
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mariadb_dyncol_list_named
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mariadb_dyncol_get
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=== modified file 'mysys/ma_dyncol.c'
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--- mysys/ma_dyncol.c 2013-08-07 15:40:25 +0000
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+++ mysys/ma_dyncol.c 2013-09-04 06:49:57 +0000
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@@ -4324,3 +4324,13 @@
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*column_count= header.column_count;
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return rc;
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}
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+
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+/**
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+ Free dynamic column
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+
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+ @param str The packed string
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+*/
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+void mariadb_dyncol_free(DYNAMIC_COLUMN *str)
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+{
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+ dynstr_free(str);
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+}
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above is incomplete patch. The complete patch committed 12.09.2013 09:45 EET subject of the e-mail is "[Commits] Rev 3812:
MDEV-4993:Impossible to free a dynamic column in file:///home/bell/maria/bzr/work-maria-10.0-MDEV-4994/"