autotest: fixed check of return code for build_all.sh

Tools/autotest/autotest.py

@@ -71,7 +71,7 @@ def dump_logs(atype):
 def build_all():
     '''run the build_all.sh script'''
     print("Running build_all.sh")
-    if not util.run_cmd(util.reltopdir('Tools/scripts/build_all.sh'), dir=util.reltopdir('.')):
+    if util.run_cmd(util.reltopdir('Tools/scripts/build_all.sh'), dir=util.reltopdir('.')) != 0:
         print("Failed build_all.sh")
         return False
     return True

Tools/scripts/build_all.sh

@@ -33,3 +33,5 @@ for d in $examples; do
     make
     popd
 done
+
+exit 0