[compiler-rt] [llvm-lit] Add REQUIRES: shell in compiler-rt tests that use the `ulimit` command in lit internal shell (PR #105339)

[Paul Kirth via llvm-commits]

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@@ -7,7 +7,7 @@
 // Limit this test to Linux since we're relying on allocator internal
 // limits (shadow memory size, allocation limits etc.)
 
-REQUIRES: shell
+REQUIRES : shell
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ilovepi wrote:

The code formatting still seems to be an issue. The changes to the c++ should not be in the patch at all. 

https://github.com/llvm/llvm-project/pull/105339