Use FXFONT defines in place of integers.

core/fxge/apple/fx_mac_imp.cpp

Index: core/fxge/apple/fx_mac_imp.cpp
diff --git a/core/fxge/apple/fx_mac_imp.cpp b/core/fxge/apple/fx_mac_imp.cpp
index 528b7274dbf31a9adc79d317bd76788549901eb9..489ce816cc234e46a9dd11c0cf026fca30daab1a 100644
--- a/core/fxge/apple/fx_mac_imp.cpp
+++ b/core/fxge/apple/fx_mac_imp.cpp
@@ -28,6 +28,9 @@ static const struct {
 
 class CFX_MacFontInfo : public CFX_FolderFontInfo {
  public:
+  CFX_MacFontInfo() {}
+  ~CFX_MacFontInfo() override {}
+
   // CFX_FolderFontInfo
   void* MapFont(int weight,
                 FX_BOOL bItalic,
@@ -41,12 +44,12 @@ class CFX_MacFontInfo : public CFX_FolderFontInfo {
 #define JAPAN_MINCHO "Hiragino Mincho Pro W6"
 static void GetJapanesePreference(CFX_ByteString& face,
                                   int weight,
-                                  int picth_family) {
+                                  int pitch_family) {
   if (face.Find("Gothic") >= 0) {
     face = JAPAN_GOTHIC;
     return;
   }
-  if (!(picth_family & FXFONT_FF_ROMAN) && weight > 400) {
+  if (!(pitch_family & FXFONT_FF_ROMAN) && weight > 400) {
     face = JAPAN_GOTHIC;
   } else {
     face = JAPAN_MINCHO;
@@ -93,10 +96,7 @@ void* CFX_MacFontInfo::MapFont(int weight,
       face = "LiSong Pro Light";
   }
   it = m_FontList.find(face);
-  if (it != m_FontList.end())
-    return it->second;
-
-  return nullptr;
+  return it != m_FontList.end() ? it->second : nullptr;
 }
 
 std::unique_ptr<IFX_SystemFontInfo> IFX_SystemFontInfo::CreateDefault(