Reference bzip2 and iconv on Mac OS X properly.

This removes the need for the arbitrary other linker flags.

This is required to allow for proper building of ffmpeg (the next goal).

src/CMakeLists.txt

@@ -204,7 +204,6 @@ elseif(APPLE)
     XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/archutils/Darwin/StepMania.pch"
     XCODE_ATTRIBUTE_GCC_ENABLE_CPP_EXCEPTIONS "NO"
     XCODE_ATTRIBUTE_LIBRARY_SEARCH_PATHS "${SM_XCODE_DIR}/ffmpeg/lib ${SM_XCODE_DIR}/Libraries"
-    XCODE_ATTRIBUTE_OTHER_LDFLAGS "-lbz2"
   )
 
   sm_add_compile_definition("${SM_EXE_NAME}" _XOPEN_SOURCE)
@@ -403,6 +402,8 @@ elseif(APPLE)
     "vorbis"
   )
   list(APPEND SMDATA_LINK_LIB
+    "${BZIP2_LIBRARY_RELEASE}"
+    "${ICONV_LIBRARIES}"
     "pcre"
     "avcodec"
     "avdevice"