Fix RelocatorRemapper: do not map inner class name if not changed

[Him188]

Fixes #792

[Him188]

Note that the relevant PR for asm has been merged. When a new version of asm with this commit is published, we can simply upgrade to the new version.

[ArcticLampyrid]

not necessary to merge

we've upgradled to asm v9.4, and this is fixed by upstream.

2 October 2022: ASM 9.4 (tag ASM_9_4)

• new Opcodes.V20 constant for Java 20
• more checks in CheckClassAdapter
• Javadoc improvements and fixes
• module-info classes can be built without Gradle and Bnd
• parent POM updated to org.ow2:ow2:1.5.1
• bug fixes
  • 317977: CheckClassAdapter is no longer transparent for MAXLOCALS
  • 317981: Add public getDelegate method to all visitor classes
  • Analyzer does not compute optimal maxLocals for static methods
  • Fix SignatureWriter when a generic type has a depth over 30
  • Skip remap inner class name if not changed in Remapper

[johnrengelman]

Reverting this in 8.1.1.
Thanks @ArcticLampyrid