fix stupid .yml file missing dash

.travis.yml

@@ -17,16 +17,16 @@ install:
 - python setup.py install
 - cd ..
 env:
-TASK=ARITHMETIC
-TASK=CRASH
-TASK=FIXTURE
-TASK=KLEE
-TASK=LISTS
-TASK=ONEOF
-TASK=OVERFLOW
-TASK=PRIMES
-TASK=STREAMINGANDFORMATTING
-TASK=TAKEOVER
+- TASK=ARITHMETIC
+- TASK=CRASH
+- TASK=FIXTURE
+- TASK=KLEE
+- TASK=LISTS
+- TASK=ONEOF
+- TASK=OVERFLOW
+- TASK=PRIMES
+- TASK=STREAMINGANDFORMATTING
+- TASK=TAKEOVER
 script:
 - pyflakes bin/deepstate/*.py
 - pyflakes tests/*.py