Rename cmd to argv

This is more explicit.

PR #2405 <https://github.com/Genymobile/scrcpy/pull/2405>

Signed-off-by: Romain Vimont <rom@rom1v.com>

app/src/adb.c

@@ -102,23 +102,23 @@ show_adb_err_msg(enum process_result err, const char *const argv[]) {
 
 process_t
 adb_execute(const char *serial, const char *const adb_cmd[], size_t len) {
-    const char *cmd[len + 4];
+    const char *argv[len + 4];
     int i;
     process_t process;
-    cmd[0] = get_adb_command();
+    argv[0] = get_adb_command();
     if (serial) {
-        cmd[1] = "-s";
-        cmd[2] = serial;
+        argv[1] = "-s";
+        argv[2] = serial;
         i = 3;
     } else {
         i = 1;
     }
 
-    memcpy(&cmd[i], adb_cmd, len * sizeof(const char *));
-    cmd[len + i] = NULL;
-    enum process_result r = process_execute(cmd, &process);
+    memcpy(&argv[i], adb_cmd, len * sizeof(const char *));
+    argv[len + i] = NULL;
+    enum process_result r = process_execute(argv, &process);
     if (r != PROCESS_SUCCESS) {
-        show_adb_err_msg(r, cmd);
+        show_adb_err_msg(r, argv);
         return PROCESS_NONE;
     }
     return process;