Accept and ignore -(-)(enable,disable)-auto-image-base linker options.

These options are used by Libtool when targeting MinGW triples. They are ignored
by LLD; probably safe for us to do the same.

Closes ziglang#19613.

src/main.zig

@@ -2332,6 +2332,12 @@ fn buildOutputType(
                     stack_size = parseStackSize(linker_args_it.nextOrFatal());
                 } else if (mem.eql(u8, arg, "--image-base")) {
                     image_base = parseImageBase(linker_args_it.nextOrFatal());
+                } else if (mem.eql(u8, arg, "--enable-auto-image-base") or
+                    mem.eql(u8, arg, "-enable-auto-image-base") or
+                    mem.eql(u8, arg, "--disable-auto-image-base") or
+                    mem.eql(u8, arg, "-disable-auto-image-base"))
+                {
+                    // These are ignored by LLD, but are used by Libtool for MinGW triples.
                 } else if (mem.eql(u8, arg, "-T") or mem.eql(u8, arg, "--script")) {
                     linker_script = linker_args_it.nextOrFatal();
                 } else if (mem.eql(u8, arg, "--eh-frame-hdr")) {