crecord: fix if -> elif when handling key presses

This shouldn't actually change any behavior, I only noticed it since I started
using KEY_UP in tests, and it was complaining when it got down to the ^L
handler that initscr hadn't been called yet.

Differential Revision: https://phab.mercurial-scm.org/D6619

mercurial/crecord.py

@@ -1724,7 +1724,7 b' are you sure you want to review/edit and'
         keypressed = pycompat.bytestr(keypressed)
         if keypressed in ["k", "KEY_UP"]:
             self.uparrowevent()
-        if keypressed in ["K", "KEY_PPAGE"]:
+        elif keypressed in ["K", "KEY_PPAGE"]:
             self.uparrowshiftevent()
         elif keypressed in ["j", "KEY_DOWN"]:
             self.downarrowevent()