Fix clang warning

bab80e7c · Milo Yip · ad1d22eb · bab80e7c
Commit bab80e7c authored Jan 19, 2016 by Milo Yip
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writertest.cpp test/unittest/writertest.cpp +1 -0

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--- a/test/unittest/writertest.cpp
+++ b/test/unittest/writertest.cpp
@@ -376,6 +376,7 @@ TEST(Writer, InvalidEventSequence) {
    }
 }

+extern double zero; // clang -Wmissing-variable-declarations
 double zero = 0.0;	// Use global variable to prevent compiler warning

 TEST(Writer, NaN) {