Minor bug fix in "java-install" make target.
Minor bug fix in "java-install" make target.

SMatsushi/RAMCloud,SMatsushi/RAMCloud,alexandermerritt/ramcloud,jblomer/ramcloud,jblomer/ramcloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,utah-scs/RAMCloud,QingkaiLu/RAMCloud,SMatsushi/RAMCloud,QingkaiLu/RAMCloud,rstutsman/RAMCloud,matrix207/RAMCloud,anirajk/RAMCloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,matrix207/RAMCloud,anirajk/RAMCloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,SMatsushi/RAMCloud,SMatsushi/RAMCloud,alexandermerritt/ramcloud,jblomer/ramcloud,utah-scs/RAMCloud,QingkaiLu/RAMCloud,rstutsman/RAMCloud,matrix207/RAMCloud,matrix207/RAMCloud,rstutsman/RAMCloud,anirajk/RAMCloud,matrix207/RAMCloud,utah-scs/RAMCloud,anirajk/RAMCloud,jblomer/ramcloud,jblomer/ramcloud,alexandermerritt/ramcloud,matrix207/RAMCloud,rstutsman/RAMCloud,rstutsman/RAMCloud,utah-scs/RAMCloud,SMatsushi/RAMCloud,rstutsman/RAMCloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,jblomer/ramcloud