Add some additional files to .gitignore

- I've had an ubuntu logfile showing up in my git, so ignore all `.log` files - `Makefile` and `extconf.h` are auto-generated based on the user's environment, so ignoring those as well.
rmagick · Oct 12, 2019 · a5081d3 · a5081d3
1 parent dc31490
commit a5081d3
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/.gitignore b/.gitignore
@@ -19,5 +19,7 @@ tmp
 *.so
 *.o
 *.a
-mkmf.log
+*.log
+Makefile
+extconf.h
 build-ImageMagick/