[ASan] Move the signal handling-related flags to sanitizer_common.
This change is a part of refactoring intended to have common signal handling behavior in all tools.

llvm-svn: 200295
diff --git a/compiler-rt/lib/asan/asan_linux.cc b/compiler-rt/lib/asan/asan_linux.cc
index a500f97..871068b 100644
--- a/compiler-rt/lib/asan/asan_linux.cc
+++ b/compiler-rt/lib/asan/asan_linux.cc
@@ -99,7 +99,7 @@
 }
 
 bool AsanInterceptsSignal(int signum) {
-  return signum == SIGSEGV && flags()->handle_segv;
+  return signum == SIGSEGV && common_flags()->handle_segv;
 }
 
 void AsanPlatformThreadInit() {