allow to compile under --enable-dev-mode (gcc didn't actually complain when I was using ccache...)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@151830 65c4cc65-6c06-0410-ace0-fbb531ad65f3

funcs/func_odbc.c

@@ -939,7 +939,7 @@ static char *cli_odbc_read(struct ast_cli_entry *e, int cmd, struct ast_cli_args
 
 	if (a->argc == 5 && !strcmp(a->argv[4], "exec")) {
 		/* Execute the query */
-		struct odbc_obj *obj;
+		struct odbc_obj *obj = NULL;
 		int dsn, executed = 0;
 		SQLHSTMT stmt;
 		int rows = 0, res, x;