Make master build on Windows

Add strtoll()/strtoull() to lib/roken
    Add stdint.h to lib/roken (Windows only)
    Add logic to detect whether to use lib/roken's stdint.h based on
        Visual Studio version
    Add include of stdint.h in generated ASN.1 code
    Export missing symbols for 64-bit integers in lib/asn1
    Export missing symbols for FAST
    Add missing sources to kdc/NTMakefile
    Fix issue in kuserok
    Fix bsearch issues

lib/roken/stdint.hin

@@ -0,0 +1,15 @@
+#ifndef _STDINT_H
+#define _STDINT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef long long int64_t;
+typedef unsigned long long uint64_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _STDINT_H */