Added help flags to git-ignore's man.

Author: kdergachev

man/git-ignore.1

@@ -58,6 +58,10 @@ A space delimited list of patterns to append to the file in context\.
 \-\-
 .P
 End of options delimeter\. Everything to the right of it is treated as positional arguments or more precisely a \fIpattern\fR\.
+.P
+\-h, \-\-help
+.P
+Print a brief usage summary\.
 .SS "PATTERN FORMAT"
 Pattern format as described in the git manual
 .IP "\(bu" 4

man/git-ignore.html

@@ -61,6 +61,10 @@ Default behavior:
 
   End of options delimeter. Everything to the right of it is treated as positional arguments or more precisely a *pattern*.
 
+  -h, --help
+
+  Print a brief usage summary.
+
 ### PATTERN FORMAT
 
 Pattern format as described in the git manual