Add EOL chars

Author: vmcj

example_problems/hello/submissions/run_time_error/test-chroot-escape.py

@@ -22,4 +22,3 @@ def is_chroot():
 
 # If we get here we failed
 print("Hello world!")
-

example_problems/hello/submissions/run_time_error/test-exitcode-2.py

@@ -2,4 +2,4 @@
 @EXPECTED_RESULTS@: RUN-ERROR
 '''
 
-exit(1)
+exit(1)

example_problems/hello/submissions/run_time_error/test-exitcode.py

@@ -2,4 +2,4 @@
 @EXPECTED_RESULTS@: RUN-ERROR
 '''
 
-raise Exception("Expected failure")
+raise Exception("Expected failure")

example_problems/hello/submissions/run_time_error/test-memsize.py

@@ -5,4 +5,4 @@
 
 while True:
     some_str = ' ' * bytearray(512000000)
-    storage.append(some_str)
+    storage.append(some_str)