Update plugin API version to 2.12-SNAPSHOT

Change-Id: I2419aeb01133e8ff567697ff4421deb49296d022
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

pom.xml

diff --git a/pom.xml b/pom.xml
index c74323b..3177bc0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
   <groupId>com.googlesource.gerrit.plugins.imagare</groupId>
   <artifactId>imagare</artifactId>
   <packaging>jar</packaging>
-  <version>2.11.1</version>
+  <version>2.12-SNAPSHOT</version>
   <name>imagare</name>
 
   <properties>

src/main/java/com/googlesource/gerrit/plugins/imagare/PutConfig.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/imagare/PutConfig.java b/src/main/java/com/googlesource/gerrit/plugins/imagare/PutConfig.java
index 7475a72..1df30b0 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/imagare/PutConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/imagare/PutConfig.java
@@ -67,7 +67,7 @@
       input = new Input();
     }
     FileBasedConfig cfg =
-        new FileBasedConfig(sitePaths.gerrit_config, FS.DETECTED);
+        new FileBasedConfig(sitePaths.gerrit_config.toFile(), FS.DETECTED);
     cfg.load();
 
     if (input.defaultProject != null) {