Print scrcpy header first

Inconditionnally print the scrcpy version first, without using LOGI().

The log level is configured only after parsing the command line
parameters (it may be changed via -V), and command line parsing logs
should not appear before the scrcpy version.

app/src/main.c

@@ -47,6 +47,9 @@ main(int argc, char *argv[]) {
     setbuf(stderr, NULL);
 #endif
 
+    printf("scrcpy " SCRCPY_VERSION
+           " <https://github.com/Genymobile/scrcpy>\n");
+
     struct scrcpy_cli_args args = {
         .opts = scrcpy_options_default,
         .help = false,
@@ -73,8 +76,6 @@ main(int argc, char *argv[]) {
         return 0;
     }
 
-    LOGI("scrcpy " SCRCPY_VERSION " <https://github.com/Genymobile/scrcpy>");
-
 #ifdef SCRCPY_LAVF_REQUIRES_REGISTER_ALL
     av_register_all();
 #endif