fixed install

build/make.msvc64.lib.py

@@ -51,10 +51,11 @@ objlist = flist(kwargs['objstore'],exts='.obj',recurse=True)
 msvc_lib_list(objlist,'{}/lib{}.lib'.format(builddir,libname))
 
 if(doinstall):
-    #Copy a binary to the common bin folder
-
     #Push any libraries to the common lib folder
-    shutil.copy('{}/lib/lib{}.lib'.format(builddir,libname),commondir)
+    shutil.copy(
+        '{}/lib{}.lib'.format(builddir,libname),
+        "{}/lib".format(installdir)
+    )
 
     #Copy include files to the common include folder
-    copytree('./include/',commondir+'/include/',dirs_exist_ok=True)
+    copytree('./include/',installdir+'/include/',dirs_exist_ok=True)