build.zig: windows fix some symbols msvc does not have

Author: gerwin3

build.zig

@@ -599,12 +599,12 @@ pub fn build(b: *std.Build) void {
             .HAVE_STDLIB_H = 1,
             .HAVE_STDNORETURN_H = null,
             .HAVE_STRCASECMP = null,
-            .HAVE_STRICMP = 1,
+            .HAVE_STRICMP = 0,
             .HAVE_STRINGS_H = null,
             .HAVE_STRING_H = 1,
             .HAVE_STRLCPY = null,
             .HAVE_STRNCASECMP = null,
-            .HAVE_STRNICMP = 1,
+            .HAVE_STRNICMP = 0,
             .HAVE_STRNLEN = 1,
             .HAVE_STRRCHRNUL = null,
             .HAVE_STRSEP = null,
@@ -632,7 +632,7 @@ pub fn build(b: *std.Build) void {
             .HAVE__BYTESWAP_USHORT = null,
             .HAVE__CHSIZE = 1,
             .HAVE__CHSIZE_S = null,
-            .HAVE__FILENO = null,
+            .HAVE__FILENO = 0,
             .HAVE__FSEEKI64 = 1,
             .HAVE__FSTATI64 = 1,
             .HAVE__FULLPATH = 1,