t/t9001-send-email.sh: ensure generated script is executed with $SHELL_PATH

If the shell is not specified using the '#!' notation, then the OS will
use '/bin/sh' to execute the script which may not produce the desired
results.  In particular, /bin/sh on Solaris interprets '^' specially which
has an effect on the sed command that this patch touches.

Signed-off-by: Brandon Casey <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: drafnel

t/t9001-send-email.sh

@@ -152,7 +152,10 @@ test_expect_success 'cccmd works' '
 	clean_fake_sendmail &&
 	cp $patches cccmd.patch &&
 	echo [email protected] >>cccmd.patch &&
-	echo sed -n s/^cccmd--//p \"\$1\" > cccmd-sed &&
+	{
+	  echo "#!$SHELL_PATH"
+	  echo sed -n -e s/^cccmd--//p \"\$1\"
+	} > cccmd-sed &&
 	chmod +x cccmd-sed &&
 	git send-email \
 		--from="Example <[email protected]>" \