Remove unnecessary braces in single-line 'if'.

llvm-svn: 250363
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 21939e0..56cbb90 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -5643,9 +5643,8 @@
     Args.ClaimAllArgs(options::OPT_g_Group);
     if (Arg *A = Args.getLastArg(options::OPT_g_Group)) {
       WantDebug = !A->getOption().matches(options::OPT_g0);
-      if (WantDebug) {
+      if (WantDebug)
         DwarfVersion = DwarfVersionNum(A->getSpelling());
-      }
     }
     if (DwarfVersion == 0)
       DwarfVersion = getToolChain().GetDefaultDwarfVersion();