[gtk+] Fix another installed test typo

[Matthias Clasen <matthiasc src gnome org>]

commit 3015f46170a9573c871163ecc65500f3ac9937ac
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 7 10:50:43 2016 -0500

    Fix another installed test typo
    
    This one was causing us to install invalid .test files and thereby
    breaking all continuous tests :-(

 testsuite/tools/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/tools/Makefile.am b/testsuite/tools/Makefile.am
index 0dd510f..b6bac18 100644
--- a/testsuite/tools/Makefile.am
+++ b/testsuite/tools/Makefile.am
@@ -44,7 +44,7 @@ nobase_insttest_DATA = $(test_simplify)
        $(AM_V_GEN) (echo '[Test]' > $  tmp; \
        echo 'Type=session' >> $  tmp; \
        echo 'Output=TAP' >> $  tmp; \
-       echo 'Exec env G_ENABLE_DIAGNOSTIC=0 TEST_DATA_DIR="$(insttestdir)/simplify" $(insttestdir)/$<' >> $  
tmp; \
+       echo 'Exec=env G_ENABLE_DIAGNOSTIC=0 TEST_DATA_DIR="$(insttestdir)/simplify" $(insttestdir)/$<' >> $  
tmp; \
        mv $  tmp $@)
 
 test_files = $(TEST_PROGS:=.test)