[PATCH] make Makefile's test programs (more) -W safe

[Stefan Tauner]

Signed-off-by: Stefan Tauner 
---
 Makefile |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3dda8c2..5cbe034 100644
--- a/Makefile
+++ b/Makefile
@@ -413,7 +413,7 @@ strip: $(PROGRAM)$(EXEC_SUFFIX)
 compiler: featuresavailable
    @printf "Checking for a C compiler... "
    @$(shell ( echo "int main(int argc, char **argv)"; \
-		   echo "{ return 0; }"; ) > .test.c )
+		   echo "{ (void) argc; (void) argv; return 0; }"; ) > .test.c )
    @$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) .test.c -o .test$(EXEC_SUFFIX) >/dev/null &&	\
    	echo "found." || ( echo "not found."; \
    	rm -f .test.c .test$(EXEC_SUFFIX); exit 1)
@@ -427,7 +427,7 @@ pciutils: compiler
    	   echo "#include <pci/pci.h>";		   \
    	   echo "struct pci_access *pacc;";	   \
    	   echo "int main(int argc, char **argv)"; \
-		   echo "{ pacc = pci_alloc(); return 0; }"; ) > .test.c )
+		   echo "{ (void) argc; (void) argv; pacc = pci_alloc(); return 0; }"; ) > .test.c )
    @$(CC) -c $(CPPFLAGS) $(CFLAGS) .test.c -o .test.o >/dev/null 2>&1 &&		\
    	echo "found." || ( echo "not found."; echo;			\
    	echo "Please install libpci headers (package pciutils-devel).";	\