Fix most GCC attribute ignored warnings

llvm-svn: 267074
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 89dd1dd2782de71d56c512e44b9dfda2f7b95351
diff --git a/src/locale.cpp b/src/locale.cpp
index 666f277..bc2427b 100644
--- a/src/locale.cpp
+++ b/src/locale.cpp
@@ -2825,10 +2825,10 @@
     to_nxt = to;
     if (mode & generate_header)
     {
-        if (to_end-to_nxt < 2)
+        if (to_end - to_nxt < 2)
             return codecvt_base::partial;
-            *to_nxt++ = static_cast<uint8_t>(0xFF);
-            *to_nxt++ = static_cast<uint8_t>(0xFE);
+        *to_nxt++ = static_cast<uint8_t>(0xFF);
+        *to_nxt++ = static_cast<uint8_t>(0xFE);
     }
     for (; frm_nxt < frm_end; ++frm_nxt)
     {