8065595: Wrong JNI_OnLoad called if just loaded lib does not have JNI_OnLoad function
Summary: Add nio_util.c containing JNI_OnLoad bare bones implementation.
Reviewed-by: rriggs
data = R0x2000;
text = LOAD ?RXO;
# Test Null
# Test Exit
# Test Hello
# Test Sleep
# Test IntToString
# Test LoadToolkit
text: .text%Java_sun_nio_ch_FileChannelImpl_initIDs;
text: .text%Java_sun_nio_ch_FileDispatcher_initIDs;
text: .text%Java_sun_nio_ch_IOUtil_initIDs;
text: .text%Java_sun_nio_ch_FileDispatcher_read0;
text: .text%convertReturnVal;
# Test LoadFrame
# Test LoadJFrame
# Test JHello
# SwingSet