ICU-9573 A fix for compilation problem.

X-SVN-Rev: 32995

diff --git a/icu4c/source/test/intltest/colldata.h b/icu4c/source/test/intltest/colldata.h
index 0af1017d3e554d47d5d9939683e8edbeff83d064..4e33512cee75a070c1a1390b4b57d23cbce832ff 100644 (file)
--- a/icu4c/source/test/intltest/colldata.h
+++ b/icu4c/source/test/intltest/colldata.h
@@ -26,6 +26,7 @@
 #if !UCONFIG_NO_COLLATION
 
 #include "unicode/ucol.h"
+#include "unicode/unistr.h"
 
  /**
   * The size of the internal CE buffer in a <code>CEList</code> object