win32: remove pathcch compatibility code

No longer needed after 9f8b4b38c9.

meson.build

@@ -497,17 +497,13 @@ endif
 
 features += {'win32-desktop': win32 and not uwp.found()}
 if features['win32-desktop']
-    pathcch = cc.find_library('pathcch', required: false)
-    features += {'pathcch': pathcch.found()}
-    if features['pathcch']
-        dependencies += pathcch
-    endif
     win32_desktop_libs = [cc.find_library('avrt'),
                           cc.find_library('dwmapi'),
                           cc.find_library('gdi32'),
                           cc.find_library('imm32'),
                           cc.find_library('ntdll'),
                           cc.find_library('ole32'),
+                          cc.find_library('pathcch'),
                           cc.find_library('shcore'),
                           cc.find_library('user32'),
                           cc.find_library('uuid'),

misc/path_utils.c

@@ -34,7 +34,7 @@
 #include "misc/ctype.h"
 #include "misc/path_utils.h"
 
-#if defined(HAVE_PATHCCH) && HAVE_PATHCCH
+#if HAVE_DOS_PATHS
 #include <windows.h>
 #include <pathcch.h>
 #endif
@@ -171,7 +171,7 @@ char *mp_normalize_path(void *talloc_ctx, const char *path)
         path = mp_path_join(talloc_ctx, cwd, path);
     }
 
-#if defined(HAVE_PATHCCH) && HAVE_PATHCCH
+#if HAVE_DOS_PATHS
     wchar_t *pathw = mp_from_utf8(NULL, path);
     wchar_t *read = pathw, *write = pathw;
     wchar_t prev = '\0';
@@ -198,8 +198,6 @@ char *mp_normalize_path(void *talloc_ctx, const char *path)
     talloc_free(pathw);
     talloc_free(pathc);
     return ret;
-#elif HAVE_DOS_PATHS
-    return talloc_strdup(talloc_ctx, path);
 #else
     char *result = talloc_strdup(talloc_ctx, "");
     const char *next;

test/meson.build

@@ -46,11 +46,9 @@ if not features['win32-threads']
 endif
 
 if features['win32-desktop']
-    test_utils_deps += cc.find_library('imm32')
-    test_utils_deps += cc.find_library('ntdll')
-    if features['pathcch']
-        test_utils_deps += cc.find_library('pathcch')
-    endif
+    test_utils_deps += [cc.find_library('imm32'),
+                        cc.find_library('ntdll'),
+                        cc.find_library('pathcch')]
 endif
 test_utils_objects = libmpv.extract_objects(test_utils_files)
 test_utils = static_library('test-utils', 'test_utils.c', include_directories: incdir,

test/paths.c

@@ -79,10 +79,6 @@ int main(void)
     TEST_NORMALIZE("/foo", "/foo");
 #endif
 
-#if defined(_WIN32) && (!defined(HAVE_PATHCCH) || !HAVE_PATHCCH)
-    return 0;
-#endif
-
     void *ctx = talloc_new(NULL);
     bstr dst = bstr0(mp_getcwd(ctx));
     bstr_xappend(ctx, &dst, bstr0("/foo"));