apply more pypy fixes

Author: planrich

src/_vmprof.c

@@ -9,7 +9,6 @@
 #include <signal.h>
 
 #include "_vmprof.h"
-#include "vmprof_common.h"
 
 static destructor Original_code_dealloc = 0;
 static PyObject* (*_default_eval_loop)(PyFrameObject *, int) = 0;

src/vmprof_common.c

@@ -174,10 +174,11 @@ PY_STACK_FRAME_T *get_vmprof_stack(void)
 {
     struct pypy_threadlocal_s *tl;
     _OP_THREADLOCALREF_ADDR_SIGHANDLER(tl);
-    if (tl == NULL)
+    if (tl == NULL) {
         return NULL;
-    else
+    } else {
         return tl->vmprof_tl_stack;
+    }
 }
 #else
 PY_STACK_FRAME_T *get_vmprof_stack(void)

src/vmprof_unix.h

@@ -24,8 +24,6 @@
 
 #include "vmprof_mt.h"
 
-#include <signal.h>
-
 RPY_EXTERN void vmprof_ignore_signals(int ignored);
 RPY_EXTERN long vmprof_enter_signal(void);
 RPY_EXTERN long vmprof_exit_signal(void);