ICU-13030 Add U_CALLCONV_FPTR for function pointers. And yet again, don’t break the...

X-SVN-Rev: 40408

diff --cc icu4c/source/Doxyfile.in
index 5de5b832fe3d0e6b2e1af5596b7bfe3d0ae36a26,b32e2ab73da429ce9423a3156a0dbc7f1bb9a98f..8c6c5deb220ef46304cc73e6b8d95c9e0daea6fb
--- 1/icu4c/source/Doxyfile.in
--- 2/icu4c/source/Doxyfile.in
+++ b/icu4c/source/Doxyfile.in
@@@ -194,7 -194,7 +194,7 @@@ EXPAND_ONLY_PREDEF     = YE
  SEARCH_INCLUDES        = YES
  INCLUDE_PATH           = 
  INCLUDE_FILE_PATTERNS  = 
- PREDEFINED             = U_EXPORT2= U_STABLE= U_DRAFT= U_INTERNAL= U_SYSTEM= U_DEPRECATED= U_OBSOLETE= U_CALLCONV= U_CDECL_BEGIN= U_CDECL_END=  U_NO_THROW=\  "U_NAMESPACE_BEGIN=namespace icu{" "U_NAMESPACE_END=}" U_SHOW_CPLUSPLUS_API=1 U_DEFINE_LOCAL_OPEN_POINTER()= U_IN_DOXYGEN=1 U_OVERRIDE= U_FINAL=final UCONFIG_ENABLE_PLUGINS=1 U_CHAR16_IS_TYPEDEF=0 U_CPLUSPLUS_VERSION=11 U_WCHAR_IS_UTF16 U_NOEXCEPT=
 -PREDEFINED             = U_EXPORT2= U_STABLE= U_DRAFT= U_INTERNAL= U_SYSTEM= U_DEPRECATED= U_OBSOLETE= U_CALLCONV= U_CDECL_BEGIN= U_CDECL_END=  U_NO_THROW=\  "U_NAMESPACE_BEGIN=namespace icu{" "U_NAMESPACE_END=}" U_SHOW_CPLUSPLUS_API=1 U_DEFINE_LOCAL_OPEN_POINTER()= U_IN_DOXYGEN=1 U_OVERRIDE=override U_FINAL=final UCONFIG_ENABLE_PLUGINS=1 U_CHAR16_IS_TYPEDEF=0 U_CPLUSPLUS_VERSION=11 U_WCHAR_IS_UTF16
++PREDEFINED             = U_EXPORT2= U_STABLE= U_DRAFT= U_INTERNAL= U_SYSTEM= U_DEPRECATED= U_OBSOLETE= U_CALLCONV_FPTR= U_CALLCONV= U_CDECL_BEGIN= U_CDECL_END=  U_NO_THROW=\  "U_NAMESPACE_BEGIN=namespace icu{" "U_NAMESPACE_END=}" U_SHOW_CPLUSPLUS_API=1 U_DEFINE_LOCAL_OPEN_POINTER()= U_IN_DOXYGEN=1 U_OVERRIDE= U_FINAL=final UCONFIG_ENABLE_PLUGINS=1 U_CHAR16_IS_TYPEDEF=0 U_CPLUSPLUS_VERSION=11 U_WCHAR_IS_UTF16 U_NOEXCEPT=
  EXPAND_AS_DEFINED      = 
  SKIP_FUNCTION_MACROS   = YES
  #---------------------------------------------------------------------------