Fix documentation of the linker's --pop-state command line option.

PR ld/20825
	* ld.texinfo (Options): Add missing @item entry for --pop-state.

ld/ChangeLog

@@ -1,3 +1,8 @@
+2017-02-17  Nick Clifton  <nickc@redhat.com>
+
+	PR ld/20825
+	* ld.texinfo (Options): Add missing @item entry for --pop-state.
+
 2017-02-17  Alan Modra  <amodra@gmail.com>
 
 	* testsuite/ld-elf/dwarf2.err: Accept other errors between the

ld/ld.texinfo

@@ -869,6 +869,7 @@ something as follows:
 
 @kindex --pop-state
 @cindex pop state governing input file handling
+@item --pop-state
 Undoes the effect of --push-state, restores the previous values of the
 flags governing input file handling.