Add hello.so app to OSv. How to compile and run: make; /scripts/run.py -e 'hello.so'

hello.patch

diff --git a/bootfs.manifest b/bootfs.manifest
index c04c161..b3e6479 100644
--- a/bootfs.manifest
+++ b/bootfs.manifest
@@ -76,4 +76,5 @@
 /libzfs.so: libzfs.so
 /zfs.so: zfs.so
 /tools/mkfs.so: tools/mkfs/mkfs.so
+/hello.so: hello.so

diff --git a/build.mk b/build.mk
index a6ca63a..e3d897d 100644
--- a/build.mk
+++ b/build.mk
@@ -603,7 +603,7 @@ $(jni): INCLUDES += -I /usr/lib/jvm/java/include -I /usr/lib/jvm/java/include/li

 bootfs.bin: scripts/mkbootfs.py bootfs.manifest $(tests) $(tools) \
                tests/testrunner.so java/java.so java/runjava.jar \
-               zpool.so zfs.so
+               zpool.so zfs.so hello.so
        $(call quiet, $(src)/scripts/mkbootfs.py -o $@ -d $@.d -m $(src)/bootfs.manifest \
                -D jdkbase=$(jdkbase) -D gccbase=$(gccbase) -D \
                glibcbase=$(glibcbase) -D miscbase=$(miscbase), MKBOOTFS $@)
diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..0f3792c
--- /dev/null
+++ b/hello.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main(void)
+{
+  printf("Hello world\n");
+}