Fix lld test after dwarfdump array syntax change

Author: dwblaikie

lld/test/wasm/debuginfo.test

@@ -46,7 +46,7 @@ CHECK-NEXT:              DW_AT_name	("hi_foo.c")
 
 CHECK:   DW_TAG_variable
 CHECK-NEXT:                DW_AT_name	("y")
-CHECK-NEXT:                DW_AT_type	(0x000000ac "int [2]")
+CHECK-NEXT:                DW_AT_type	(0x000000ac "int[2]")
 CHECK-NEXT:                DW_AT_external	(true)
 CHECK-NEXT:                DW_AT_decl_file	("{{.*}}hi_foo.c")
 CHECK-NEXT:                DW_AT_decl_line	(1)
@@ -68,7 +68,7 @@ CHECK-NEXT:                DW_AT_encoding	(DW_ATE_unsigned)
 
 CHECK:   DW_TAG_variable
 CHECK-NEXT:                DW_AT_name	("z")
-CHECK-NEXT:                DW_AT_type	(0x000000ac "int [2]")
+CHECK-NEXT:                DW_AT_type	(0x000000ac "int[2]")
 CHECK-NEXT:                DW_AT_external	(true)
 CHECK-NEXT:                DW_AT_decl_file	("{{.*}}hi_foo.c")
 CHECK-NEXT:                DW_AT_decl_line	(8)