Fix bashisms in configure.ac

diff --git a/configure.ac b/configure.ac
index 25e73b4e3c7d189e4a82a292a2d1a73eef1750f1..1dcd3d14b6c46af1c31e42abecec574279df3d2f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -530,7 +530,7 @@ case "${host}" in
 
 esac
 
-if test "$OPENAL_OK" == "no"; then
+if test "$OPENAL_OK" = "no"; then
     echo
     echo "You *must* have the openal library installed on your system to build"
     echo "SimGear!"
@@ -541,7 +541,7 @@ if test "$OPENAL_OK" == "no"; then
     exit
 fi
 
-if test "$ALUT_OK" == "no"; then
+if test "$ALUT_OK" = "no"; then
     echo
     echo "You *must* have the alut library installed on your system to build"
     echo "SimGear!"