This commit adds '#!/bin/sh' to the top of the cygwin-package.sh.in script. All executable interpreted scripts should have this directive. Patch from Modestas Vainius. See issue #9659.
@@ -1,3 +1,5 @@
+#!/bin/sh
+
# this is a sample shell script used for building a cmake
# based project for a cygwin setup package.