clang compilefix

wrt bug 740276

Signed-off-by: Joerg Bornkessel <hd_brummy@gentoo.org> (13 May 2021)
diff -Naur dvd-cvs-20090106.orig/player-dvd.c dvd-cvs-20090106/player-dvd.c
--- dvd-cvs-20090106.orig/player-dvd.c	2021-05-13 18:51:00.823067369 +0200
+++ dvd-cvs-20090106/player-dvd.c	2021-05-13 18:53:17.136067369 +0200
@@ -2707,7 +2707,7 @@
     }
 
     uint16_t audioStreamLanguageCode = GetAudioTrackLanguageCode(currentNavAudioTrack);
-    char audioLanguageStr[3] = {audioStreamLanguageCode, audioStreamLanguageCode >> 8, 0};
+    char audioLanguageStr[3] = {static_cast<char>(audioStreamLanguageCode), static_cast<char>(audioStreamLanguageCode >> 8), 0};
     if (GetAudioStreamNumbers() > 1)
         sprintf(buffer,"%s %d/%d %s", audioStreamLanguageCode != 0xFFFF ? audioLanguageStr : "", GetCurrentNavAudioTrackIdx() + 1, GetAudioStreamNumbers() - 1, audioTypeDescr);
     else
@@ -2725,7 +2725,7 @@
     }
 
     int subtitleStreamLanguageCode = GetSubtitleLanguageCode(currentNavSubpStream);
-    char subtitleLanguageStr[3] = {subtitleStreamLanguageCode, subtitleStreamLanguageCode >> 8, 0};
+    char subtitleLanguageStr[3] = {static_cast<char>(subtitleStreamLanguageCode), static_cast<char>(subtitleStreamLanguageCode >> 8), 0};
 
     if(GetSubtitleStreamNumbers() > 2)
         sprintf(buffer,"%s %d/%d", subtitleStreamLanguageCode !=0xFFFF ? subtitleLanguageStr : "", GetCurrentNavSubpStreamIdx(), GetSubtitleStreamNumbers() - 1);