Use int instead of size_t to silence warning
gcc-4.4.1 was complaining:
fontconv.c: In function ‘mapWeightToName’:
fontconv.c:114: warning: field precision should have type ‘int’, but argument 4 has type ‘size_t’
fontconv.c:114: warning: field precision should have type ‘int’, but argument 4 has type ‘size_t’
fontconv.c: In function ‘xlfdToFc’:
fontconv.c:157: warning: field precision should have type ‘int’, but argument 4 has type ‘size_t’
fontconv.c:157: warning: field precision should have type ‘int’, but argument 4 has type ‘size_t’