[nautilus] configure: Fix help text for --enable-libexif

[Cosimo Cecchi <cosimoc src gnome org>]

commit ea13fb73ed2b177d7b00d47a7df25a31e3fb6278
Author: Sam Thursfield <sam thursfield codethink co uk>
Date:   Tue Sep 4 10:50:55 2012 +0100

    configure: Fix help text for --enable-libexif
    
    https://bugzilla.gnome.org/show_bug.cgi?id=683321

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 3f5a04c..3676172 100644
--- a/configure.in
+++ b/configure.in
@@ -123,7 +123,7 @@ dnl ==========================================================================
 dnl libexif checking
 
 AC_ARG_ENABLE(libexif,
-              [AS_HELP_STRING([--enable-exif=@<:@yes/no@:>@],
+              [AS_HELP_STRING([--enable-libexif=@<:@yes/no@:>@],
                               [build EXIF support [default=yes]])],
               [enable_exif="$enableval"],
               [enable_exif=yes])