fix pointer style to match the style guide

We do this in a lot of places, but we're inconsistent.
Normalize the code to the Google C++ style guide.

Change-Id: Ic2aceab661ce8f6b993dda21b1cdf5d2198dcbbf
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/2262932
Reviewed-by: Sterling Augustine <saugustine@google.com>
Reviewed-by: Mark Mentovai <mark@chromium.org>

src/processor/static_range_map_unittest.cc

@@ -414,7 +414,7 @@ TEST_F(TestStaticRangeMap, RunTestCase0Again) {
 
 }  // namespace google_breakpad
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   ::testing::InitGoogleTest(&argc, argv);
 
   return RUN_ALL_TESTS();