[PATCH] Remove invalid const qualifier for r0, since it is written by svc.

[Stephen Hines]

Hi danalbert,

This causes an invalid lvalue error when building for Android.

http://reviews.llvm.org/D7306

Files:
  lib/builtins/clear_cache.c

Index: lib/builtins/clear_cache.c
===================================================================
--- lib/builtins/clear_cache.c
+++ lib/builtins/clear_cache.c
@@ -97,7 +97,7 @@
 
         sysarch(ARM_SYNC_ICACHE, &arg);
     #elif defined(__ANDROID__)
-         const register int start_reg __asm("r0") = (int) (intptr_t) start;
+         register int start_reg __asm("r0") = (int) (intptr_t) start;
          const register int end_reg __asm("r1") = (int) (intptr_t) end;
          const register int flags __asm("r2") = 0;
          const register int syscall_nr __asm("r7") = __ARM_NR_cacheflush;

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