[gimp/gimp-2-8] Installer: use ${gimp_installation_dir} when setting environment instead of hardcoding installation

[Jernej SimonÄiÄ <jernejs src gnome org>]

commit f3788ae9c3f553ae47373fcb95140328f5b3a974
Author: Jernej SimonÄiÄ <jernej+s-gnome eternallybored org>
Date:   Thu Aug 23 19:28:33 2012 +0200

    Installer: use ${gimp_installation_dir} when setting environment instead of
    hardcoding installation path

 build/windows/installer/gimp3264.iss |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/build/windows/installer/gimp3264.iss b/build/windows/installer/gimp3264.iss
index 8437b47..f6a5801 100644
--- a/build/windows/installer/gimp3264.iss
+++ b/build/windows/installer/gimp3264.iss
@@ -524,15 +524,15 @@ begin
 	DefaultEnv := ExpandConstant('{app}\lib\gimp\2.0\environ\default.env');
 	DebugMsg('PrepareGimpPath','Setting environment in ' + DefaultEnv);
 
-	Env := #10'PATH=' + ExpandConstant('{app}\bin');
+	Env := #10'PATH=${gimp_installation_dir}\bin';
 	
 	if IsComponentSelected('gimp32on64') then
 	begin
 
-		Env := Env + ';' + ExpandConstant('{app}\32\bin') + #10;
+		Env := Env + ';${gimp_installation_dir}\32\bin' + #10;
 
 		if IsComponentSelected('gimp32on64\py') then
-			Env := Env + 'PYTHONPATH=' + ExpandConstant('{app}\32\lib\gimp\2.0\python') + #10; //only needed on 64bit GIMP
+			Env := Env + 'PYTHONPATH=${gimp_installation_dir}\32\lib\gimp\2.0\python' + #10; //only needed on 64bit GIMP
 
 	end else
 	begin