Declare malloc and friends

From-SVN: r13628

gcc/config/rs6000/xm-rs6000.h

@@ -59,3 +59,10 @@ extern char *alloca ();
    collect has a chance to see them, so scan the object files directly.  */
 #define COLLECT_EXPORT_LIST
 #endif
+
+#ifndef __STDC__
+extern char *malloc (), *realloc (), *calloc ();
+#else
+extern void *malloc (), *realloc (), *calloc ();
+#endif
+extern void free ();

gcc/config/rs6000/xm-sysv4.h

@@ -58,3 +58,12 @@ extern char *alloca ();
 
 /* Solaris has a different declaration of sys_siglist than collect uses.  */
 #define DONT_DECLARE_SYS_SIGLIST
+
+#ifdef __PPC__
+#ifndef __STDC__
+extern char *malloc (), *realloc (), *calloc ();
+#else
+extern void *malloc (), *realloc (), *calloc ();
+#endif
+extern void free ();
+#endif