New review comment by classabbyamp on void-packages repository

https://github.com/void-linux/void-packages/pull/39984#discussion_r997596426

Comment:
```suggestion
--- a/CalculiX/cgx_2.20/src/Makefile
+++ b/CalculiX/cgx_2.20/src/Makefile
@@ -67,7 +67,7 @@
 OUTIL = $(SUTIL:.c=.o)
 
 cgx: $(OLIB) $(OUTIL) $(OULIB)
-	g++  $(OULIB)  $(OLIB) $(OUTIL)  $(CFLAGS) $(LFLAGS) -o  $@
+	$(CXX)  $(OULIB)  $(OLIB) $(OUTIL)  $(CFLAGS) $(LFLAGS) -o  $@
 
 
 

```
only this much of the patch should be needed