Fix akavache submodule.

grokys · grokys · commit c2c81d5945df · 2018-08-14T14:48:58.000+02:00
#1714 incorrectly reverted the akavache submodule to an earlier version. Undo this.
diff --git a/submodules/akavache b/submodules/akavache
@@ -1 +1 @@
-Subproject commit dcd51f78eaed02a87c7856f94676ee3d0d255fed
+Subproject commit 1ea55dfb7e36ee0737291bf013b09c895fffa624
