(TeX) Exclude files generated by morewrites

To overcome the "No room for a new \write", the morewrites package (http://www.ctan.org/pkg/morewrites) uses a file with the .mw extension

TeX.gitignore

@@ -78,6 +78,9 @@
 # minted
 *.pyg
 
+# morewrites
+*.mw
+
 # nomencl
 *.nlo