Use proper PRI?64 macros for %ll? format to fix printf format warnings:

Use proper PRI?64 macros for %ll? format to fix printf format warnings:
utils.c:833: warning: format ‘%lld’ expects type ‘long long int’, but argument 5 has type ‘int64_t’
utils.c:833: warning: format ‘%lld’ expects type ‘long long int’, but argument 6 has type ‘int64_t’
utils.c:854: warning: format ‘%lld’ expects type ‘long long int’, but argument 5 has type ‘int64_t’
utils.c:854: warning: format ‘%lld’ expects type ‘long long int’, but argument 6 has type ‘int64_t’
asf.c:872: warning: format ‘%Lx’ expects type ‘long long unsigned int’, but argument 4 has type ‘int64_t’
mov.c:1754: warning: format ‘%llx’ expects type ‘long long unsigned int’, but argument 5 has type ‘int64_t’

Approved by Michael.

Originally committed as revision 6692 to svn://svn.ffmpeg.org/ffmpeg/trunk