don't initialize the process to null

Former-commit-id: 0cf817bb09
Former-commit-id: a6f546100d474367e1e9347416ee375ce304e0bb

src/java/net/i2p/i2pfirefox/I2PChromium.java

@@ -346,6 +346,7 @@ public class I2PChromium {
             }
             return new ProcessBuilder(newArgs).directory(I2PChromiumProfileBuilder.runtimeDirectory(true));
         } else {
+            System.out.println("No Chromium found.");
             return new ProcessBuilder(args);
         }
     }

src/java/net/i2p/i2pfirefox/I2PFirefox.java

@@ -301,6 +301,7 @@ public class I2PFirefox {
             }
             return new ProcessBuilder(newArgs).directory(I2PFirefoxProfileBuilder.runtimeDirectory(true));
         } else {
+            System.out.println("No Firefox found.");
             return new ProcessBuilder(args);
         }
     }