[gimp-macos-build] add MACOSX_DEPLOYMENT_TARGET=10.9 to the .profile

[Alex Samorukov <asamorukov src gnome org>]

commit 2895ec6f3cb45e47a6153743a9813d5f16ade92c
Author: Oleksii Samorukov <oleksii_samorukov mckinsey com>
Date:   Wed Aug 28 23:38:33 2019 +0200

    add MACOSX_DEPLOYMENT_TARGET=10.9 to the .profile

 .circleci/config.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 2e4b1d5..69bc2e9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -18,9 +18,10 @@ jobs:
               cd /Library/Developer/CommandLineTools/SDKs
               sudo curl -L 
'https://github.com/phracker/MacOSX-SDKs/releases/download/MacOSX10.11.sdk/MacOSX10.9.sdk.tar.xz' | sudo tar 
-xzf -
               echo 'export SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX10.9.sdk' > ~/.profile
+              echo 'export MACOSX_DEPLOYMENT_TARGET=10.9' >> ~/.profile
         - restore_cache:
             keys:
-              - jhbuild-v3
+              - jhbuild-v4
         - run:
             name: Setup jhbuild
             command: |
@@ -39,7 +40,7 @@ jobs:
               - ~/.new_local
               - ~/gtk
               - ~/.config
-            key: jhbuild-v3
+            key: jhbuild-v4
         - run:
             name: Setup gtk-mac-bundler
             command: |