Add current dir to include directories when compiling resource

Fixes #15206

Author: bruchar1

mesonbuild/modules/windows.py

@@ -155,6 +155,9 @@ def compile_resources(self, state: 'ModuleState',
                     build.IncludeDirs('', [], False, [os.path.join('@BUILD_ROOT@', self.interpreter.backend.get_target_dir(d))])
                 ])
         include_directories = self.interpreter.extract_incdirs(kwargs)
+        self_dir = build.IncludeDirs(state.subdir, ['.'], False)
+        if self_dir not in include_directories:
+            include_directories.append(self_dir)
         extra_args += state.get_include_args(include_directories)
 
         rescomp, rescomp_type = self._find_resource_compiler(state)

test cases/windows/15 resource scripts with duplicate filenames/meson.build

@@ -1,5 +1,9 @@
 project('foobar', 'c')
 
+if meson.get_compiler('c').get_id() == 'gcc' and host_machine.system() == 'windows'
+    error('MESON_SKIP_TEST windres has internal error when adding . to include path')
+endif
+
 win = import('windows')
 
 subdir('a')