[caribou] portability: use "=" operator instead of "==" in shell scripts

[Eitan Isaacson <eitani src gnome org>]

commit cba1a72412c8223aed94732e75289e5a57dd2e96
Author: Daiki Ueno <ueno unixuser org>
Date:   Sun Oct 7 06:18:13 2012 +0900

    portability: use "=" operator instead of "==" in shell scripts
    
    "==" operator is only available in bash but not in the SUSv3 or
    POSIX shell specification.  This causes a problem with Debian's dash.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685629

 bin/antler-keyboard.in     |    2 +-
 bin/caribou-preferences.in |    2 +-
 bin/caribou.in             |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/bin/antler-keyboard.in b/bin/antler-keyboard.in
index 3c0b13d..b25956e 100755
--- a/bin/antler-keyboard.in
+++ b/bin/antler-keyboard.in
@@ -23,7 +23,7 @@ script_dir="$(dirname "$(readlink -f ${0})")"
 prefix= prefix@
 exec_prefix= exec_prefix@
 
-if [ $script_dir == "@libexecdir@" ]
+if [ $script_dir = "@libexecdir@" ]
 then
   datadir="$(@PYTHON@ -c "from gi.repository import GLib; print ':'.join(GLib.get_system_data_dirs())")"
   export PYTHONPATH="${prefix}/lib/python PYTHON_VERSION@/site-packages:${prefix}/lib64/python PYTHON_VERSION@/site-packages${PYTHONPATH:+:$PYTHONPATH}"
diff --git a/bin/caribou-preferences.in b/bin/caribou-preferences.in
index 636ef89..49650ff 100755
--- a/bin/caribou-preferences.in
+++ b/bin/caribou-preferences.in
@@ -23,7 +23,7 @@ script_dir="$(dirname "$(readlink -f ${0})")"
 prefix= prefix@
 exec_prefix= exec_prefix@
 
-if [ $script_dir == "@bindir@" ]
+if [ $script_dir = "@bindir@" ]
 then
   datadir="$(@PYTHON@ -c "from gi.repository import GLib; print ':'.join(GLib.get_system_data_dirs())")"
   export PYTHONPATH="@prefix@/lib/python PYTHON_VERSION@/site-packages${PYTHONPATH:+:$PYTHONPATH}"
diff --git a/bin/caribou.in b/bin/caribou.in
index 29ba6b0..f2cdc2f 100755
--- a/bin/caribou.in
+++ b/bin/caribou.in
@@ -29,7 +29,7 @@ script_dir="$(dirname "$(readlink -f ${0})")"
 prefix= prefix@
 exec_prefix= exec_prefix@
 
-if [ $script_dir == "@bindir@" ]
+if [ $script_dir = "@bindir@" ]
 then
   export PYTHONPATH="@prefix@/lib/python PYTHON_VERSION@/site-packages${PYTHONPATH:+:$PYTHONPATH}"
   export GI_TYPELIB_PATH="@libdir@/girepository-1.0${GI_TYPELIB_PATH:+:$GI_TYPELIB_PATH}"