remove extraneous arg

Author: leafo

.github/workflows/windows_exe.yml

@@ -40,7 +40,7 @@ jobs:
       run: lua-5.1.5/src/lua.exe -v
 
     - name: Build
-      run: gcc -o moon.exe '-Ilua-5.1.5/src/' -c bin/binaries/moon.c lpeg-1.0.2/lpvm.c lpeg-1.0.2/lpcap.c lpeg-1.0.2/lptree.c lpeg-1.0.2/lpcode.c lpeg-1.0.2/lpprint.c
+      run: gcc -o moon.exe '-Ilua-5.1.5/src/' bin/binaries/moon.c lpeg-1.0.2/lpvm.c lpeg-1.0.2/lpcap.c lpeg-1.0.2/lptree.c lpeg-1.0.2/lpcode.c lpeg-1.0.2/lpprint.c