bug 977805 - add missing #include. r=jandem

--HG--
extra : commitid : 7O5wByzxfit
extra : rebase_source : 9f296d9adfe15f7631f601c5b65581b8306267d8
extra : source : 9fa312e065e1e9da9b5cb3514c3b40dcc7f65539

js/src/jit/ExecutableAllocator.cpp

@@ -29,6 +29,10 @@
 
 #include "js/MemoryMetrics.h"
 
+#ifdef __APPLE__
+#include <TargetConditionals.h>
+#endif
+
 using namespace js::jit;
 
 size_t ExecutableAllocator::pageSize = 0;
@@ -62,7 +66,7 @@ ExecutableAllocator::addSizeOfCode(JS::CodeSizes* sizes) const
     }
 }
 
-#ifdef TARGET_OS_IPHONE
+#if TARGET_OS_IPHONE
 bool ExecutableAllocator::nonWritableJitCode = true;
 #else
 bool ExecutableAllocator::nonWritableJitCode = false;