openjdk7: update checksums of jamvm too
jamvm/java: allow spaces in arguments

Current IFS mangling blows up on the face:

    | configure:2341: javac  -classpath .: Test.java
    | Invalid maximum heap size: -Xmx1024m-cp/srv/oe/b

Simpler command line expansion works just as easy.

* fixed placeholder path by Henning Heinold

Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>