patch 7.4.1250

Problem:    Running tests in shadow directory fails.
Solution:   Also link testdir/*.py

src/Makefile

@@ -2012,6 +2012,7 @@ test_arglist \
 	test_assert \
 	test_backspace_opt \
 	test_cdo \
+	test_channel \
 	test_cursor_func \
 	test_delete \
 	test_expand \
@@ -2552,6 +2553,7 @@ shadow:	runtime pixmaps
 				 ../../testdir/Make_all.mak \
 				 ../../testdir/*.in \
 				 ../../testdir/*.vim \
+				 ../../testdir/*.py \
 				 ../../testdir/python* \
 				 ../../testdir/sautest \
 				 ../../testdir/test83-tags? \

src/version.c

@@ -742,6 +742,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1250,
 /**/
     1249,
 /**/