Add C-l to force a redraw

Often I am waiting for a file to download and be renamed from
.foo.part to .foo.  Forcing a redraw is a simple way to check if
the file has completed downloading.

config.def.h

@@ -51,4 +51,5 @@ struct key bindings[] = {
 	{ 'c',            SEL_CD },
 	/* Toggle sort by time */
 	{ 't',            SEL_MTIME },
+	{ CONTROL('L'),   SEL_REDRAW },
 };

noice.1

@@ -49,6 +49,8 @@ Enter filter-as-you-type mode.
 Change into the given directory.
 .It Ic t
 Toggle sort by time modified.
+.It Ic l
+Force a redraw.
 .It Ic !
 Spawn shell in current directory.
 .It Ic q

noice.c

@@ -57,6 +57,7 @@ enum action {
 	SEL_SH,
 	SEL_CD,
 	SEL_MTIME,
+	SEL_REDRAW,
 };
 
 struct key {
@@ -817,6 +818,8 @@ moretyping:
 		case SEL_MTIME:
 			mtimeorder = !mtimeorder;
 			goto out;
+		case SEL_REDRAW:
+			goto out;
 		}
 	}