Fix ELF decompiler tests

tests/data/elf_obj_ghidra_expected_diff

-@@ -1,6 +1,6 @@
+@@ -1,7 +1,7 @@
  
  undefined8 sym.f(void)
+ 
  {
      // [01] -r-x section size 11 named .text
 -    return 0x2a;

tests/data/elf_obj_radare2_expected_diff

-@@ -1,13 +1,13 @@
- function sym.f () {
-     //  1 basic blocks
+@@ -1,11 +1,11 @@
  
+ // This function contains 1 basic blocks and its 11 long.
+ function sym.f () {
      loc_0x8000040:
- 
-        push rbp                 //[01] -r-x section size 11 named .text
-        rbp = rsp
--       eax = 0x2a               //'*' ; 42
-+       eax = 0xffffffff         //-1
-                                 //rsp ; rsp
-        return
- (break)
- 
+     push rbp      //[01] -r-x section size 11 named .text
+     rbp = rsp
+-    eax = 0x2a    //'*' ; 42
++    eax = 0xffffffff //-1
+     //rsp ; rsp
+     return
+     (break)
  }