Update runtime files.

Includes changing &sw to shiftwidth() for all indent scripts.

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.0.  Last change: 2017 Jun 05
+*eval.txt*	For Vim version 8.0.  Last change: 2017 Jun 13
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -5465,7 +5465,10 @@ line({expr})	The result is a Number, which is the line number of the file
 <							*last-position-jump*
 		This autocommand jumps to the last known position in a file
 		just after opening it, if the '" mark is set: >
-	:au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
+     :au BufReadPost *
+         \ if line("'\"") > 1 && line("'\"") <= line("$") && &ft !~# 'commit' 
+         \ |   exe "normal! g`\""
+         \ | endif
 
 line2byte({lnum})					*line2byte()*
 		Return the byte count from the start of the buffer for line