Only try to set decompiler service on the class handle provider if it exists.

Closes #288

2 files changed, 4 insertions, 2 deletions

diff --git a/build.gradle b/build.gradle
index 25eeab55..208e7256 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,7 +24,7 @@ subprojects {
     }
 
     group = 'cuchaz'
-    version = '0.19'
+    version = '0.20'
 
     def buildNumber = System.getenv("BUILD_NUMBER")
     version = version + "+" + (buildNumber ? "build.$buildNumber" : "local")
diff --git a/enigma-swing/src/main/java/cuchaz/enigma/gui/GuiController.java b/enigma-swing/src/main/java/cuchaz/enigma/gui/GuiController.java
index ed0a2bf0..66a21b00 100644
--- a/enigma-swing/src/main/java/cuchaz/enigma/gui/GuiController.java
+++ b/enigma-swing/src/main/java/cuchaz/enigma/gui/GuiController.java
@@ -506,7 +506,9 @@ public class GuiController implements ClientPacketHandler {
         }
 
         public void setDecompiler(DecompilerService service) {
-                chp.setDecompilerService(service);
+                if (chp != null) {
+                        chp.setDecompilerService(service);
+                }
         }
 
         public ClassHandleProvider getClassHandleProvider() {