[BOLT][TESTS] Fix ICF test case

Summary:
Host compiler may generate duplicate functions and as a result BOLT can
fold more than 1 function.

(cherry picked from FBD29347302)

bolt/test/X86/icf-jump-tables.test

@@ -7,7 +7,7 @@
 # RUN: llvm-bolt %t.exe -icf -o %t.bolt |& FileCheck %s
 
 ## Check that BOLT successfully folded a function with jump table:
-# CHECK: ICF folded 1
+# CHECK: ICF folded {{.*}}. {{[^0]}} functions had jump tables.
 
 ## Check that no relocations against undefined symbols were emitted:
 # CHECK-NOT: Undefined temporary symbol