don't mark test local functions as pub

marking them as pub causes them to be present in the docs

Author: leecannon

src/DeviceTree.zig

@@ -373,7 +373,7 @@ test compatibleMatchIterator {
     try lookup.put(std.testing.allocator, "riscv,plic0", {});
 
     const match_function = struct {
-        pub fn match(hash_set: *const std.StringHashMapUnmanaged(void), compatible: [:0]const u8) bool {
+        fn match(hash_set: *const std.StringHashMapUnmanaged(void), compatible: [:0]const u8) bool {
             return hash_set.contains(compatible);
         }
     }.match;

src/Node.zig

@@ -354,7 +354,7 @@ pub const Node = enum(u32) {
         try lookup.put(std.testing.allocator, "pci-host-ecam-generic", {});
 
         const match_function = struct {
-            pub fn match(hash_set: *const std.StringHashMapUnmanaged(void), compatible: [:0]const u8) bool {
+            fn match(hash_set: *const std.StringHashMapUnmanaged(void), compatible: [:0]const u8) bool {
                 return hash_set.contains(compatible);
             }
         }.match;