Improve prefix detection in StringUtils.cleanPath [SPR-11793]

[spring-projects-issues]

Rossen Stoyanchev opened SPR-11793 and commented

Currently cleanPath stops at the first semicolon assuming a protocol prefixed path (e.g. "file:core/../core/io/Resource.class"). This is a bit too simple since technically a semicolon is also allowed in a directory name, even if unusual.

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Affects: 3.2.8, 4.0.4

Backported to: 3.2.9