maint: src/*.c: change remaining quotes (without embedded spaces)

Run this (twice):
  git grep -E -l '`[^ ]+'\' src/*.c \
    |xargs perl -pi -e 's/`([^ ]+'\'')/'\''$1/'

1 files changed, 1 insertions, 1 deletions

diff --git a/src/tty.c b/src/tty.c
index b5c163e34..a64440bd5 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -37,7 +37,7 @@ enum
     TTY_WRITE_ERROR = 3
   };
 
-/* The official name of this program (e.g., no `g' prefix).  */
+/* The official name of this program (e.g., no 'g' prefix).  */
 #define PROGRAM_NAME "tty"
 
 #define AUTHORS proper_name ("David MacKenzie")