HACK: postpone kelf_patched teardown

Yet another hack, which needs to be addressed properly. Without this create-diff-object segfaults in kpatch_is_core_module_symbol() trying
to compare rela->sym->name which has been zeroed by kelf_patched teardown.

 #0  0x00007ffff7f10c0e in __strcmp_avx2 () from /lib64/libc.so.6
 dynup#1  0x000000000040a09d in kpatch_is_core_module_symbol (name=0x0)
     at create-diff-object.c:3130
 dynup#2  0x000000000040a209 in need_dynrela (table=0x95c52c80,
     sec=0x95c52300, rela=0xa7648330)
     at create-diff-object.c:3186
 dynup#3  0x000000000040a463 in kpatch_create_intermediate_sections
     (kelf=0x4dbc940,
         table=0x95c52c80, objname=0x7fffffffd8a1 "vmlinux",
             pmod_name=0x7fffffffd8f9
             "livepatch_0001_cmdline_test_patch")
         at create-diff-object.c:3350
 dynup#4  0x000000000040c206 in main (argc=8, argv=0x7fffffffd428) at
     create-diff-object.c:3954

Signed-off-by: Artem Savkov <asavkov@redhat.com>

kpatch-build/create-diff-object.c

@@ -3936,6 +3936,13 @@ int main(int argc, char *argv[])
 	/* this is destructive to kelf_patched */
 	kpatch_migrate_included_elements(kelf_patched, &kelf_out);
 
+	kpatch_no_sibling_calls_ppc64le(kelf_out);
+
+	/* create strings, patches, and dynrelas sections */
+	kpatch_create_strings_elements(kelf_out);
+	kpatch_create_patches_sections(kelf_out, lookup, parent_name);
+	kpatch_create_intermediate_sections(kelf_out, lookup, parent_name, patch_name);
+
 	/*
 	 * Teardown kelf_patched since we shouldn't access sections or symbols
 	 * through it anymore.  Don't free however, since our section and symbol
@@ -3944,12 +3951,6 @@ int main(int argc, char *argv[])
 	 */
 	kpatch_elf_teardown(kelf_patched);
 
-	kpatch_no_sibling_calls_ppc64le(kelf_out);
-
-	/* create strings, patches, and dynrelas sections */
-	kpatch_create_strings_elements(kelf_out);
-	kpatch_create_patches_sections(kelf_out, lookup, parent_name);
-	kpatch_create_intermediate_sections(kelf_out, lookup, parent_name, patch_name);
 	kpatch_create_kpatch_arch_section(kelf_out, parent_name);
 	kpatch_create_callbacks_objname_rela(kelf_out, parent_name);
 	kpatch_build_strings_section_data(kelf_out);