Cleanup.

src/mutex.cpp

@@ -13,7 +13,7 @@
 	|| BX_PLATFORM_IOS     \
 	|| BX_PLATFORM_OSX     \
 	|| BX_PLATFORM_PS4     \
-        || BX_PLATFORM_RPI
+	|| BX_PLATFORM_RPI
 #	include <pthread.h>
 #elif  BX_PLATFORM_WINDOWS \
 	|| BX_PLATFORM_WINRT   \

src/thread.cpp

@@ -11,7 +11,7 @@
 	|| BX_PLATFORM_IOS     \
 	|| BX_PLATFORM_OSX     \
 	|| BX_PLATFORM_PS4     \
-        || BX_PLATFORM_RPI
+	|| BX_PLATFORM_RPI
 #	include <pthread.h>
 #	if defined(__FreeBSD__)
 #		include <pthread_np.h>