Remove silly out of memory message in an out of memory situation and fixed...

Remove silly out of memory message in an out of memory situation and fixed indentation on bool declarations.

modules/codec/libmpeg2.c

@@ -129,10 +129,7 @@ static int OpenDecoder( vlc_object_t *p_this )
     /* Allocate the memory needed to store the decoder's structure */
     if( ( p_dec->p_sys = p_sys =
           (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
-    {
-        msg_Err( p_dec, "out of memory" );
-        return VLC_EGENERIC;
-    }
+        return VLC_ENOMEM;
 
     /* Initialize the thread properties */
     memset( p_sys, 0, sizeof(decoder_sys_t) );