test: change "#!/bin/bash" to "#!/usr/bin/env bash" enhances portability

Change #!/bin/bash at start of tests to "#!/usr/bin/env bash". That way
systems running on bash < 4 can prepend bash >= 4 to path before
running the tests.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/notmuch-test b/test/notmuch-test
index 0ea4f4f7..c81e3fc0 100755
--- a/test/notmuch-test
+++ b/test/notmuch-test
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Run tests
 #