Makefile: do not delete capstone.pc.in
diff --git a/Makefile b/Makefile
index 71f605f..9a89128 100644
--- a/Makefile
+++ b/Makefile
@@ -397,7 +397,7 @@
 
 clean:
 	rm -f $(LIBOBJ)
-	rm -f $(BLDIR)/lib$(LIBNAME).* $(BLDIR)/$(LIBNAME).*
+	rm -f $(BLDIR)/lib$(LIBNAME).* $(BLDIR)/$(LIBNAME).pc
 	rm -f $(PKGCFGF)
 	$(MAKE) -C cstool clean