Fix the description of -nl in --help text. (Bug#19542)

src/emacs.c (usage_message): Fix the description of the -nl switch.

src/ChangeLog

@@ -1,3 +1,8 @@
+2015-01-09  Eli Zaretskii  <eliz@gnu.org>
+
+	* emacs.c (usage_message): Fix the description of the -nl switch.
+	(Bug#19542)
+
 2015-01-08  Eli Zaretskii  <eliz@gnu.org>
 
 	* dispnew.c (buffer_posn_from_coords): Fix the value of the column

src/emacs.c

@@ -233,7 +233,7 @@ Initialization options:\n\
     "\
 --no-desktop                do not load a saved desktop\n\
 --no-init-file, -q          load neither ~/.emacs nor default.el\n\
---no-shared-memory, -nl     do not use shared memory\n\
+--no-loadup, -nl            do not load loadup.el into bare Emacs\n\
 --no-site-file              do not load site-start.el\n\
 --no-site-lisp, -nsl        do not add site-lisp directories to load-path\n\
 --no-splash                 do not display a splash screen on startup\n\