OpenJDK needs '-source 1.5'

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4692 3789f03b-4d11-0410-bbf8-ca57d06f2519

java/src/CMakeLists.txt

@@ -1,6 +1,6 @@
 find_package(Java)
 
-set(DEFAULT_JAVACFLAGS "-target 1.5")
+set(DEFAULT_JAVACFLAGS "-source 1.5 -target 1.5")
 set(JAVACFLAGS ${DEFAULT_JAVACFLAGS} CACHE STRING
   "Java compiler flags (Default: ${DEFAULT_JAVACFLAGS})")
 message(STATUS "Java compiler flags = ${JAVACFLAGS}")