res_odbc_transaction: add dep on generic_odbc

When res_odbc_transaction depended on res_odbc, it got the generic_odbc
headers and libs implicitly. Now that it no longer depends on res_odbc,
its dependency on generic_odbc must be explicit.

Change-Id: I9db88f7af7388437f49903d3008ba8d4890d5911

res/res_odbc_transaction.c

@@ -26,6 +26,7 @@
 #include "asterisk/module.h"
 
 /*** MODULEINFO
+	<depend>generic_odbc</depend>
 	<support_level>core</support_level>
  ***/