Some systems failed to build for Quicklisp dist

[quicklisp]

Building with SBCL 2.2.1.147-31b6a20e3 / ASDF 3.3.5 for quicklisp dist creation.

Trying to build commit id 8eb57ee

plot fails to build with the following error:

; caught ERROR:
;   READ error during COMPILE-FILE: Package CL-PPCRE does not exist. Line: 11, Column: 21, File-Position: 651 Stream: #<SB-INT:FORM-TRACKING-STREAM for "file /home/quicklisp/quicklisp-controller/dist/build-cache/plot/6c02f955806d7a63e0d013d91e08029c683d6077/plot-20220306-git/plot.lisp" {1006416BE3}>
...
Unhandled UIOP/LISP-BUILD:COMPILE-FILE-ERROR in thread #<SB-THREAD:THREAD "main thread" RUNNING {1001BD0003}>: COMPILE-FILE-ERROR while compiling #<CL-SOURCE-FILE "plot" "plot">

plot/vglt fails to build because of a failure in plot.

Full log here

[Symbolics]

Fixed