ppc-linux: Fix call to _Unwind_SetGRPtr

        * config/rs6000/linux-unwind.h (frob_update_context): Properly
        cast the pointer argument to _Unwind_SetGRPtr.

From-SVN: r181325

libgcc/ChangeLog

+2011-11-12  Richard Henderson  <rth@redhat.com>
+
+	* config/rs6000/linux-unwind.h (frob_update_context): Properly
+	cast the pointer argument to _Unwind_SetGRPtr.
+
 2011-11-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* config/spu/t-elf (LIB2ADD): Use LIB2FUNCS_EXCLUDE instead.

libgcc/config/rs6000/linux-unwind.h

@@ -368,7 +368,7 @@ frob_update_context (struct _Unwind_Context *context, _Unwind_FrameState *fs ATT
 		 before the bctrl so this is the first and only place
 		 we need to use the stored R2.  */
 	      _Unwind_Word sp = _Unwind_GetGR (context, 1);
-	      _Unwind_SetGRPtr (context, 2, sp + 40);
+	      _Unwind_SetGRPtr (context, 2, (void *)(sp + 40));
 	    }
 	}
     }