Bugzilla bug #18826: some systems don't have RTLD_LOCAL defined. Thanks

to dejong@cs.umn.edu for the bug report and suggested fix.

nsprpub/pr/src/linking/prlink.c

@@ -39,16 +39,18 @@
 #ifdef XP_UNIX
 #ifdef USE_DLFCN
 #include <dlfcn.h>
+/* Define these on systems that don't have them. */
+#ifndef RTLD_LAZY
+#define RTLD_LAZY RTLD_NOW
+#endif
+#ifndef RTLD_LOCAL
+#define RTLD_LOCAL 0
+#endif
 #elif defined(USE_HPSHL)
 #include <dl.h>
 #elif defined(USE_MACH_DYLD)
 #include <mach-o/dyld.h>
 #endif
-
-/* Define this on systems which don't have it (AIX) */
-#ifndef RTLD_LAZY
-#define RTLD_LAZY RTLD_NOW
-#endif
 #endif /* XP_UNIX */
 
 #define _PR_DEFAULT_LD_FLAGS PR_LD_LAZY