Fix typo

Change-Id: I9ec38d517d176ecd8dad074f3d96769f85eec311
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/88745
Tested-by: Jenkins
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
diff --git a/compilerplugins/Makefile-clang.mk b/compilerplugins/Makefile-clang.mk
index 266919c..65cfa67 100644
--- a/compilerplugins/Makefile-clang.mk
+++ b/compilerplugins/Makefile-clang.mk
@@ -103,7 +103,7 @@ else
CLANGWERROR := -Werror
# When COMPILER_PLUGINS_CXXFLAGS (obtained via `llvm-config --cxxflags`) contains options like
# -Wno-maybe-uninitialized that are targeting GCC (when LLVM was actually built with GCC), and
# COMPILER_PLUGINS_CXX (defaulting to CXX) deonotes a Clang that does not understand those options,
# COMPILER_PLUGINS_CXX (defaulting to CXX) denotes a Clang that does not understand those options,
# it fails with -Werror,-Wunknown-warning-option, so we need -Wno-unknown-warning-option (but which
# GCC does not understand) at least with -Werror:
ifeq ($(COMPILER_PLUGINS_COM_IS_CLANG),TRUE)