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future-proof gssapi.m4



A future version of aclocal will process .m4 files more than once =>
AC_DEFUN needs the function name quoted, otherwise it will be
substituted the 2nd time through! The following trivial patch
preempts this..

Cheers,

Patrick

Index: m4/gssapi.m4
===================================================================
RCS file: /home/roessler/cvs/mutt/m4/gssapi.m4,v
retrieving revision 3.1
diff -u -r3.1 gssapi.m4
--- m4/gssapi.m4        18 Jun 2002 09:52:13 -0000      3.1
+++ m4/gssapi.m4        5 Nov 2003 20:46:52 -0000
@@ -6,7 +6,7 @@
 dnl if it is set and not "yes".
 dnl Defines GSSAPI_CFLAGS and GSSAPI_LIBS if found.
 dnl Defines GSSAPI_IMPL to "Heimdal", "MIT", or "OldMIT", or "none" if not 
found
-AC_DEFUN(MUTT_AM_PATH_GSSAPI,
+AC_DEFUN([MUTT_AM_PATH_GSSAPI],
 [
   GSSAPI_PREFIX=[$]$1
   GSSAPI_IMPL="none"