ICU-13519 set U_CHARSET_IS_UTF8 to 1 on Linux by default

X-SVN-Rev: 40884

diff --git a/icu4c/source/common/unicode/platform.h b/icu4c/source/common/unicode/platform.h
index f220b1fc34d8e2a90771b49aeee4b2290bf8bfca..217de4a1801d408289ade0da6c1f409cb06acbea 100644 (file)
--- a/icu4c/source/common/unicode/platform.h
+++ b/icu4c/source/common/unicode/platform.h
@@ -631,7 +631,7 @@ namespace std {
  */
 #ifdef U_CHARSET_IS_UTF8
     /* Use the predefined value. */
-#elif U_PLATFORM == U_PF_ANDROID || U_PLATFORM_IS_DARWIN_BASED
+#elif U_PLATFORM_IS_LINUX_BASED || U_PLATFORM_IS_DARWIN_BASED
 #   define U_CHARSET_IS_UTF8 1
 #else
 #   define U_CHARSET_IS_UTF8 0