Update Eclipse classpath setting

Add coro jar.

Author: Hiroshi Nakamura

.classpath

@@ -39,5 +39,6 @@
 	<classpathentry kind="lib" path="build_lib/asm-util-4.0_RC2.jar"/>
 	<classpathentry kind="lib" path="build_lib/snakeyaml-1.9.jar"/>
 	<classpathentry kind="lib" path="build_lib/jzlib-1.1.0.jar"/>
+	<classpathentry kind="lib" path="build_lib/coro-mock-1.0-SNAPSHOT.jar"/>
 	<classpathentry kind="output" path="build.eclipse"/>
 </classpath>