mase simplescalar make error

There are two possible errors due to newer version of gcc.

1. /lib64/libc.so.6: could not read symbols: Bad value
( if the system is 32-bit, error might be /lib/libc.so.6: could not read symbols: Bad value )
　　mark all "extern int errno;" ( eval.c misc.c range.c )
　　and replace it by "#include "

2. mase-mem.c:134: error: static declaration of ‘mem_access_latency’ follows non-static declaration
mase-mem.h:104: error: previous declaration of ‘mem_access_latency’ was here
　　find "mem_access_latency" in mase-mem.h and delete "static"