Temporary fix for regression in VMProfileLinuxSupportPlugin.c #421

Job	Run time
squeak.cog.spur for win64x64	1m 18s
squeak.cog.spur for win64x64 (DEBUG)	1m 35s
squeak.cog.spur for win64x64 (ASSERT)	59s
squeak.stack.spur for win64x64	3m 27s
squeak.stack.spur for win64x64 (DEBUG)	2m 15s
squeak.stack.spur for win64x64 (ASSERT)	2m 17s
squeak.sista.spur for win64x64	1m 32s
squeak.sista.spur for win64x64 (DEBUG)	1m 18s
squeak.sista.spur for win64x64 (ASSERT)	1m 17s
squeak.cog.spur for win32x86	2m 47s
squeak.cog.spur for win32x86 (DEBUG)	2m 20s
squeak.cog.spur for win32x86 (ASSERT)	3m 5s
squeak.stack.spur for win32x86	4m 12s
squeak.stack.spur for win32x86 (DEBUG)	1m 59s
squeak.stack.spur for win32x86 (ASSERT)	2m 30s
squeak.sista.spur for win32x86	1m 11s
squeak.sista.spur for win32x86 (DEBUG)	57s
squeak.sista.spur for win32x86 (ASSERT)	1m 12s
	36m 11s

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