code review 12520043: runtime: change int32 to intgo in findnull and findnullw

src/pkg/runtime/runtime.c

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
 #include "arch_GOARCH.h"
 
 enum {
         maxround = sizeof(uintptr),
 };
@@ skipping 375 matching lines @@
         int8*   name;
         int32*  value;
 } dbgvar[] = {
         {"gctrace", &runtime·debug.gctrace},
 };
 
 void
 runtime·parsedebugvars(void)
 {
         byte *p;
-        int32 i, n;
+        intgo i, n;
 
         p = runtime·getenv("GODEBUG");
         if(p == nil)
                 return;
         for(;;) {
                 for(i=0; i<nelem(dbgvar); i++) {
                         n = runtime·findnull((byte*)dbgvar[i].name);
                         if(runtime·mcmp(p, (byte*)dbgvar[i].name, n) == 0 && p[n] == '=')
                                 *dbgvar[i].value = runtime·atoi(p+n+1);
                 }
@@ skipping 23 matching lines @@
         for(bit = 30; bit >= 0; bit--) {
                 if(v >= ((int64)div<<bit)) {
                         v = v - ((int64)div<<bit);
                         res += 1<<bit;
                 }
         }
         if(rem != nil)
                 *rem = v;
         return res;
 }