Fix typos

Change-Id: I8374d6d08f4eb4ae2821e213371c615b92d7e9ab
Reviewed-on: https://gerrit.libreoffice.org/29432
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/salbool.cxx

@@ -294,7 +294,7 @@ bool SalBool::VisitCStyleCastExpr(CStyleCastExpr * expr) {
                     SourceLocation argLoc;
                     if (compat::isMacroArgExpansion(
                             compiler, expr->getLocStart(), &argLoc)
-                        //TODO: check its the complete (first) arg to the macro
+                        //TODO: check it's the complete (first) arg to the macro
                         && (Lexer::getImmediateMacroName(
                                 argLoc, compiler.getSourceManager(),
                                 compiler.getLangOpts())