fix the blank space line

FrankYu · FrankYu · commit 86648651de0b · 2016-06-23T12:42:57.000+08:00
Signed-off-by: Frank Yu &lt;flyxiaoyu@gmail.com&gt;
diff --git a/src/numpy_cpp.h b/src/numpy_cpp.h
@@ -25,7 +25,6 @@
 #    undef _XOPEN_SOURCE
 #endif
 
-
 #if defined(__sun) || defined(sun)
 #if defined(_XPG4)
 #undef _XPG4
