update whatsnew file for release of 0.7.0
diff --git a/WHATSNEW b/WHATSNEW
index 70b39df..6d4966e 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -45,7 +45,7 @@
-UPCOMING RELEASE - major posix conformance improvements
+0.7.0 - major improvements to posix conformance and completeness
implemented posix shared memory and semaphore interfaces.
@@ -58,12 +58,14 @@
added syscall wrappers for the linux inotify interface.
-malloc(0) now returns a non-null pointer
+malloc(0) now returns a non-null pointer.
fixed printf %n specifier (again).
added ucontext/sigcontext support in headers to facilitate building
libgcc with dwarf2 unwind support, and possibly other low-level tools.
+improved musl-gcc compiler wrapper.
+
implemented many small missing functions here and there, minor header
fixes, etc.