Fix-forward excess ';' from 9459c83 (#134632)

clang/lib/CodeGen/CGDebugInfo.cpp:153:2: error: extra ';' outside of a function is incompatible with C++98 [-Werror,-Wc++98-compat-extra-semi]
  153 | };
      |  ^
1 error generated.

Author: thurstond

clang/lib/CodeGen/CGDebugInfo.cpp

@@ -150,7 +150,7 @@ void CGDebugInfo::addInstSourceAtomMetadata(llvm::Instruction *I,
       I->getContext(), DL.getLine(), DL.getCol(), DL.getScope(),
       DL.getInlinedAt(), DL.isImplicitCode(), Group, Rank);
   I->setDebugLoc(NewDL);
-};
+}
 
 void CGDebugInfo::addInstToCurrentSourceAtom(llvm::Instruction *KeyInstruction,
                                              llvm::Value *Backup) {