Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/compiler/subprocess.cc

Index: third_party/protobuf/src/google/protobuf/compiler/subprocess.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/subprocess.cc b/third_party/protobuf/src/google/protobuf/compiler/subprocess.cc
index 933450faf45f934bf72d495caa2f99d88b244e0f..6e2586641255d983e5d4b0a7a90d4a1760fbb7a0 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/subprocess.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/subprocess.cc
@@ -261,11 +261,12 @@ string Subprocess::Win32ErrorMessage(DWORD error_code) {
   char* message;
 
   // WTF?
-  FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
-                     FORMAT_MESSAGE_IGNORE_INSERTS,
-                 NULL, error_code, 0,
-                 (LPSTR)&message,  // NOT A BUG!
-                 0, NULL);
+  FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                FORMAT_MESSAGE_FROM_SYSTEM |
+                FORMAT_MESSAGE_IGNORE_INSERTS,
+                NULL, error_code, 0,
+                (LPTSTR)&message,  // NOT A BUG!
+                0, NULL);
 
   string result = message;
   LocalFree(message);