Fix unsiged underflow

cc58be61 · Jisi Liu · 7dbee324 · cc58be61
Commit cc58be61 authored Oct 18, 2017 by Jisi Liu
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io_win32_unittest.cc src/google/protobuf/stubs/io_win32_unittest.cc +1 -1

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--- a/src/google/protobuf/stubs/io_win32_unittest.cc
+++ b/src/google/protobuf/stubs/io_win32_unittest.cc
@@ -85,7 +85,7 @@ class IoWin32Test : public ::testing::Test {
 namespace {
 void StripTrailingSlashes(string* str) {
-  size_t i = str->size() - 1;
+  int i = str->size() - 1;
  for (; i >= 0 && ((*str)[i] == '/' || (*str)[i] == '\\'); --i) {}
  str->resize(i+1);
 }