No-op comment change

Author: VSadov

src/coreclr/vm/array.h

@@ -8,7 +8,7 @@
 // A 32 dimension array with at least 2 elements in each dimension requires
 // 4gb of memory. Limit the maximum number of dimensions to a value that 
 // requires 4gb of memory.
-// If you make this bigger, you need to make MAX_CLASSNAME_LENGTH bigger too.
+// If you make this bigger, you need to make MAX_CLASSNAME_LENGTH bigger too..
 #define MAX_RANK 32
 
 class MethodTable;