Stdio.FILE x; now means object that x is an object that inherits Stdio.FILE.

Rev: src/ChangeLog:1.145
Rev: src/interpret.c:1.76
Rev: src/language.yacc:1.72
Rev: src/lex.c:1.50
Rev: src/pike_memory.c:1.20
Rev: src/pike_types.c:1.38
Rev: src/program.c:1.76
Rev: src/program.h:1.39
Rev: src/testsuite.in:1.88