trim: Fix short command-line option -a for "apitrace trim"

This was documented as being equivalent to --auto, but one piece of
the plumbing was not in place.

1 files changed, 1 insertions, 1 deletions

diff --git a/cli/cli_trim.cpp b/cli/cli_trim.cpp
index afad283b..c5b01885 100644
--- a/cli/cli_trim.cpp
+++ b/cli/cli_trim.cpp
@@ -110,7 +110,7 @@ enum {
 };
 
 const static char *
-shortOptions = "ho:x";
+shortOptions = "aho:x";
 
 const static struct option
 longOptions[] = {