Set connection back to NULL after freeing it.

Patch by Jeevan Ladhe 

diff --git a/src/interfaces/ecpg/preproc/output.c b/src/interfaces/ecpg/preproc/output.c
index 59d5d30df4a22962c332c3f9e9884567b269f1c1..93a1ad1498dce74f6bd3a3b190ab53804fe18264 100644 (file)
--- a/src/interfaces/ecpg/preproc/output.c
+++ b/src/interfaces/ecpg/preproc/output.c
@@ -155,6 +155,7 @@ output_statement(char *stmt, int whenever_mode, enum ECPG_statement_type st)
    free(stmt);
    if (connection != NULL)
        free(connection);
+   connection = NULL;
 }
 
 void
@@ -169,6 +170,7 @@ output_prepare_statement(char *name, char *stmt)
    free(name);
    if (connection != NULL)
        free(connection);
+   connection = NULL;
 }
 
 void
@@ -189,6 +191,7 @@ output_deallocate_prepare_statement(char *name)
    free(name);
    if (connection != NULL)
        free(connection);
+   connection = NULL;
 }
 
 static void