Fix uninitialized variable warnings

Instead of using the GCC-specific var = var notation, which Clang seems
to dislike, drop the idea of silencing the warning, and instead force
the variables to a null initialization value (0, NULL, {}, whatever
works).

1 files changed, 1 insertions, 1 deletions

diff --git a/shell.c b/shell.c
index d8fa387..4232bb6 100644
--- a/shell.c
+++ b/shell.c
@@ -819,7 +819,7 @@ out:
 static int
 shell_process_tabulation(void)
 {
-    const struct shell_cmd *cmd;
+    const struct shell_cmd *cmd = NULL; /* GCC */
     struct shell_line *current_line;
     const char *name;
     unsigned long i, size;