* libc/string/memccpy.c (memccpy): Fix warning about signed-unsigned
	comparison
	* libc/string/memchr.c (memchr): Ditto.
	* libc/string/memrchr.c (memrchr): Ditto.
	* libc/string/memset.c: (memset): Ditto.
	* libc/string/rawmemchr.c (rawmemchr): Ditto.
	* libc/string/local.h (__locale_cjk_lang): Fix "function declaration
	isn't a prototype" warning.
	* libc/string/strcasestr.c (strcasestr): Ditto.
	* libc/string/u_strerr.c (_user_strerror): Fix "unused parameter"
	warnings.
	* libc/string/rawmemchr.c (rawmemchr): Fix comment type
	"// ..." -> "/* ... */".
2014-10-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * libc/include/stdint.h: Include <sys/_intsup.h>.
        (__STDINT_EXP): Delete.
        (__have_long32): Likewise.
        (__have_long64): Likewise.
        (__have_longlong64): Likewise.
        * libc/include/sys/_intsup.h: New file.
        (__STDINT_EXP): Move from libc/include/stdint.h.
        (__have_long32): Likewise.
        (__have_long64): Likewise.
        (__have_longlong64): Likewise.
        * libc/include/inttypes.h: Include <sys/_intsup.h>.
        (__INTTYPES_EXP): Delete and use __STDINT_EXP() instead.