Merge branch 'np/malloc-threading'

* np/malloc-threading:
  Thread-safe xmalloc and xrealloc needs a recursive mutex
  Make xmalloc and xrealloc thread-safe

builtin/grep.c

@@ -17,8 +17,8 @@
 #include "dir.h"
 
 #ifndef NO_PTHREADS
-#include "thread-utils.h"
 #include <pthread.h>
+#include "thread-utils.h"
 #endif
 
 static char const * const grep_usage[] = {