Fix Example Code
Fix Example Code

The current Example produces an compiler error due to double `;`


```
error: unreachable statement
    return firstName + " " + lastName;;
                                      ^
```
byterom/android_external_square_javawriter,byterom/android_external_square_javawriter,eamonnmcmanus/javapoet,rajatguptarg/javapoet,sormuras/javapoet,DanielSerdyukov/javapoet,APaloski/javapoet,ks94/javapoet,APaloski/javapoet,DanielSerdyukov/javapoet,square/javapoet,ThirdProject/android_external_square_javawriter,ThirdProject/android_external_square_javawriter,sitexa/javapoet,eamonnmcmanus/javapoet,gk5885/javawriter,ponsonio/javapoet,leorric/javawriter,ben-manes/javapoet,square/javawriter,PAC-ROM/android_external_square_javawriter,mumer92/javapoet,auke-/javawriter,DirtyUnicorns/android_external_square_javawriter,DirtyUnicorns/android_external_square_javawriter,PAC-ROM/android_external_square_javawriter,auke-/javawriter,ks94/javapoet,rajatguptarg/javapoet,ben-manes/javapoet,ponsonio/javapoet,kenzierocks/javapoet,sormuras/javapoet,square/kotlinpoet,gk5885/javawriter,leorric/javawriter,mumer92/javapoet,studyfordream/javapoet,studyfordream/javapoet,sitexa/javapoet,kenzierocks/javapoet,square/kotlinpoet