Merge pull request matplotlib#29022 from KamathForAIX/main

Fixes AIX internal CI build break.

Author: greglucas

src/ft2font_wrapper.cpp

@@ -156,10 +156,10 @@ enum class LoadFlags : FT_Int32 {
     DECLARE_FLAG(COMPUTE_METRICS),
 #endif
 #ifdef FT_LOAD_BITMAP_METRICS_ONLY  // backcompat: ft 2.7.1.
-    DECLARE_FLAG(LOAD_BITMAP_METRICS_ONLY),
+    DECLARE_FLAG(BITMAP_METRICS_ONLY),
 #endif
 #ifdef FT_LOAD_NO_SVG  // backcompat: ft 2.13.1.
-    DECLARE_FLAG(LOAD_NO_SVG),
+    DECLARE_FLAG(NO_SVG),
 #endif
     DECLARE_FLAG(TARGET_NORMAL),
     DECLARE_FLAG(TARGET_LIGHT),