Fix MakeFile typos #327

Job	Run time
build	5m 48s
test (BoxingTests.Kernel)	1m 46s
test (Cosmos.Compiler.Tests.TypeSystem.Kernel)	2m 20s
test (Cosmos.Compiler.Tests.Bcl.Kernel)	3m 0s
test (Cosmos.Compiler.Tests.Bcl.System.Kernel)	3m 39s
test (Cosmos.Compiler.Tests.Exceptions.Kernel)	1m 45s
test (Cosmos.Compiler.Tests.MethodTests.Kernel)	1m 46s
test (Cosmos.Compiler.Tests.SingleEchoTest.Kernel)	1m 47s
test (Cosmos.Kernel.Tests.Fat.Kernel)	3m 4s
test (Cosmos.Kernel.Tests.IO.Kernel)	1m 49s
test (SimpleStructsAndArraysTest.Kernel)	1m 43s
test (Cosmos.Kernel.Tests.DiskManager.Kernel)	1m 43s
test (GraphicTest.Kernel)	2m 4s
test (NetworkTest.Kernel)	59s
test (AudioTests.Kernel)	4m 5s
test (MemoryOperationsTest.Kernel)	1m 55s
test (ProcessorTests.Kernel)	1m 46s
	40m 59s

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