jemalloc: build from correct archive

If one uses the plain '${PKGVERSION}.tar.gz' file from
github, the result will not contain any version information.

Using the archive with the full name does not show this
'effect'. (OMG)

jemalloc.be0

@@ -1,9 +1,10 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION jemalloc-5.2.1-0
+# BEE_VERSION jemalloc-5.2.1-1
 
 ## The source URL(s) array
-SRCURL[0]="https://github.com/jemalloc/jemalloc/archive/${PKGVERSION}.tar.gz"
+# Original https://github.com/jemalloc/jemalloc/releases/download/5.2.1/jemalloc-5.2.1.tar.bz2
+SRCURL[0]="https://beehive.molgen.mpg.de/3d41fbf006e6ebffd489bdb304d009ae/jemalloc-5.2.1.tar.bz2"
 
 ## Add URLs/pathes to patch files
 # PATCHURL+=()