* objc/hash.h (hash_string): Don't use a cast as an lvalue.

From-SVN: r72722

libobjc/ChangeLog

+2003-10-20  Joseph S. Myers  <jsm@polyomino.org.uk>
+
+	* objc/hash.h (hash_string): Don't use a cast as an lvalue.
+
 2003-10-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* Makefile.in (runtime-info.h): Use MULTIFLAGS.

libobjc/objc/hash.h

@@ -172,10 +172,10 @@ hash_string (cache_ptr cache, const void *key)
 {
   unsigned int ret = 0;
   unsigned int ctr = 0;
+  const char *ckey = key;
         
-        
-  while (*(const char *) key) {
-    ret ^= *((const char *) key)++ << ctr;
+  while (*ckey) {
+    ret ^= *ckey++ << ctr;
     ctr = (ctr + 1) % sizeof (void *);
   }