build: add pthread-fixes.c to Makefile.am on Android
build: add pthread-fixes.c to Makefile.am on Android

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso