Fix compilation for ARMv4 for OpenBSD/FreeBSD

This is a port of r5260.
Review URL: http://codereview.chromium.org/3165021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5280 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/platform-freebsd.cc

@@ -198,9 +198,10 @@ void OS::Abort() {
 
 
 void OS::DebugBreak() {
-#if (defined(__arm__) || defined(__thumb__)) && \
-    defined(CAN_USE_ARMV5_INSTRUCTIONS)
+#if (defined(__arm__) || defined(__thumb__))
+# if defined(CAN_USE_ARMV5_INSTRUCTIONS)
   asm("bkpt 0");
+# endif
 #else
   asm("int $3");
 #endif

src/platform-openbsd.cc

@@ -196,9 +196,10 @@ void OS::Abort() {
 
 
 void OS::DebugBreak() {
-#if (defined(__arm__) || defined(__thumb__)) && \
-    defined(CAN_USE_ARMV5_INSTRUCTIONS)
+#if (defined(__arm__) || defined(__thumb__))
+# if defined(CAN_USE_ARMV5_INSTRUCTIONS)
   asm("bkpt 0");
+# endif
 #else
   asm("int $3");
 #endif