Update build.zig

Co-authored-by: Jay Petacat <[email protected]>

Author: OrangeTide

build.zig

@@ -1094,8 +1094,8 @@ fn configHeader(b: *std.Build, t: std.Target) *std.Build.Step.ConfigHeader {
         .HAVE_WCSNCASECMP = 1,
         .HAVE__WCSNICMP = 0,
         .HAVE_STRLEN = 1,
-        .HAVE_STRLCPY = !is_linux,
-        .HAVE_STRLCAT = !is_linux,
+        .HAVE_STRLCPY = !is_linux or is_musl,
+        .HAVE_STRLCAT = !is_linux or is_musl,
         .HAVE__STRREV = 0,
         .HAVE__STRUPR = 0,
         .HAVE__STRLWR = 0,