Add missing functions to libmseed.def (Win) and fix typo in change log

Author: chad-earthscope

ChangeLog

@@ -16,7 +16,7 @@
   - Add ms_nstime2timestr_n() with string size limit, deprecate ms_nstime2timestr().
   - With ms_nstime2timestr_n() print "ERROR" for NSTERROR and "UNSET" for NSTUNSET.
   - Avoid fatal errors when v2 record blockettes contain invalid time stamps.
-  When SEED "btime" values are encountered they are now set to NSTERROR and
+  When invalid SEED "btime" values are encountered they are now set to NSTERROR and
   serialized in extra headers as "ERROR".
   - Limit float point values in extra headers to single precision to avoid
   unrealistically high precision values in the output

libmseed.def

@@ -1,6 +1,7 @@
 LIBRARY libmseed.dll
 EXPORTS
    ms_nstime2time
+   ms_nstime2timestr_n
    ms_nstime2timestr
    ms_nstime2timestrz
    ms_time2nstime
@@ -12,6 +13,7 @@ EXPORTS
    msr3_parse
    msr3_pack
    msr3_repack_mseed3
+   msr3_repack_mseed2
    msr3_pack_header3
    msr3_pack_header2
    msr3_unpack_data
@@ -45,7 +47,8 @@ EXPORTS
    mstl3_convertsamples
    mstl3_resize_buffers
    mstl3_pack
-   mstraceseg3_pack
+   mstl3_pack_segment
+   mstl3_pack_ppupdate_flushidle
    mstl3_printtracelist
    mstl3_printsynclist
    mstl3_printgaplist