Provide implementation for macro arguments containing parentheses.

We were correctly parsing this already, but simply not returning any
value (for no good reason). Fortunately the fix is quite simple.

This makes the test added in the previous commit now pass.

1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 550945a..3fa863c 100644
--- a/Makefile
+++ b/Makefile
@@ -21,5 +21,5 @@ test: glcpp
 	@(cd tests; ./glcpp-test)
 
 clean:
-	rm -f glcpp-lex.c glcpp-parse.c *.o *~
+	rm -f glcpp glcpp-lex.c glcpp-parse.c *.o *~
 	rm -f tests/*.out tests/*.gcc tests/*.expected tests/*~