Fix __crashreport_info__ declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104300 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/PrettyStackTrace.cpp b/lib/Support/PrettyStackTrace.cpp
index 68b41a7..7a04a53 100644
--- a/lib/Support/PrettyStackTrace.cpp
+++ b/lib/Support/PrettyStackTrace.cpp
@@ -50,8 +50,8 @@
 
 // Integrate with crash reporter.
 #ifdef __APPLE__
-extern "C" const char *__crashreporter_info__;
-const char *__crashreporter_info__ = 0;
+static const char *__crashreporter_info__ = 0;
+asm(".desc ___crashreporter_info__, 0x10");
 #endif