RFR: 8255845: Memory leak in imageFile.cpp

[Evan Whelan]

This is a straightforward fix to resolve a potential memory leak in imageFile.cpp.

If `find_location` returns true, the `path` char array is never released.

This has been fixed

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Commit messages:
 - 8255845: Memory leak in imageFile.cpp

Changes: https://git.openjdk.java.net/jdk/pull/1599/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1599&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255845
  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1599.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1599/head:pull/1599

PR: https://git.openjdk.java.net/jdk/pull/1599