libcollectdclient: Remove the "nonnull" attribute.

Some old versions of GCC don't know it and throw a warning.

diff --git a/src/libcollectdclient/client.c b/src/libcollectdclient/client.c
index 9ee02c9ff6ba9bc92a5d11ea2cef5d52ba1bf889..3eb0d05536721a7d5b154ddf505c123321ea9fcf 100644 (file)
--- a/src/libcollectdclient/client.c
+++ b/src/libcollectdclient/client.c
@@ -164,12 +164,14 @@ static int lcc_set_errno (lcc_connection_t *c, int err) /* {{{ */
   return (0);
 } /* }}} int lcc_set_errno */
 
-__attribute__((nonnull (1, 2)))
 static char *lcc_strescape (char *dest, const char *src, size_t dest_size) /* {{{ */
 {
   size_t dest_pos;
   size_t src_pos;
 
+  if ((dest == NULL) || (src == NULL))
+    return (NULL);
+
   dest_pos = 0;
   src_pos = 0;