AtomicFu version 0.12.5

This should really fix processing of class files

Fixes #1116
Fixes #1064
diff --git a/gradle.properties b/gradle.properties
index 74dbf8b..3a5e7f2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@
 
 # Dependencies
 junit_version=4.12
-atomicfu_version=0.12.4
+atomicfu_version=0.12.5
 html_version=0.6.8
 lincheck_version=2.0
 dokka_version=0.9.16-rdev-2-mpp-hacks