add myself to CODEOWNERS for subprocess. (python#3005)

gpshead · web-flow · commit 60a6632a3d2b · 2017-08-04T20:00:06.000-06:00
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
@@ -26,3 +26,6 @@
 **/*mime*                     @bitdancer
 **/*imap*                     @bitdancer
 **/*poplib*                   @bitdancer
+
+# subprocess
+**/*subprocess*               @gpshead
