vimrc: use 109ch text width for shell scripts as well

Author: mrc0mmand

.vimrc

@@ -17,5 +17,5 @@ set expandtab
 set makeprg=GCC_COLORS=\ make
 set tw=79
 au BufRead,BufNewFile *.xml set tw=109 shiftwidth=2 smarttab
-au FileType sh set tw=80 shiftwidth=4 smarttab
+au FileType sh set tw=109 shiftwidth=4 smarttab
 au FileType c set tw=109