maint: use "test x = x", not "test x == x"

* autogen.sh: Using "test x = x" is more portable.

diff --git a/autogen.sh b/autogen.sh
index ae68052..eb09236 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -51,7 +51,7 @@ mkdir -p perl/lib/Win
 
 # If no arguments were specified and configure has run before, use the previous
 # arguments
-if [ $# == 0 -a -x ./config.status ]; then
+if [ $# = 0 -a -x ./config.status ]; then
     ./config.status --recheck
 else
     $CONFIGUREDIR/configure "$@"