travis: add missing semicolons.

.travis.yml

@@ -6,9 +6,9 @@ before_install:
   - 'if [ "$TRAVIS_OS_NAME" = "osx" ];  then
        if brew ls versions cmake > /dev/null/ then
        else  
-         brew install cmake
+         brew install cmake;
        fi 
-       brew install python3 
+       brew install python3; 
        brew install homebrew/x11/freeglut; 
     fi'
   - echo -e "#ifndef A_R_H_INC\n#define A_R_H_INC\n#define GitVersion ${TRAVIS_JOB_ID}\n#define GitBranch \"${TRAVIS_BRANCH}\"\n#endif // A_R_H_INC" > revision.h