Update comments about Windows #cgo compiler directives

Author: ibmmqmet

README.md

@@ -35,7 +35,9 @@ Some Windows capability is also included. One constraint in the cgo package is i
 for path names containing spaces and special characters, which makes it tricky to
 compile against a copy of MQ installed in the regular location. To build these packages I copied
 <mq install>/tools/c/include and <mq install>/bin64 to be under a temporary directory, shown
-in the CFLAGS and LDFLAGS directives.
+in the CFLAGS and LDFLAGS directives. This constraint seems to be removed
+in the Go 1.9 compiler; once that has reached a general availability level,  
+I'll update this package to use standard MQ install paths.
 
 ## Getting started
 

ibmmq/mqi.go

@@ -17,6 +17,10 @@ the particular MQRC or MQCC values.
 The build directives for Windows assume the header and library files have
 been copied to a temporary location, because the default paths are not
 acceptable to Go (it does not like spaces or special characters like ~).
+Note: This problem appears to have been fixed in Go 1.9, and once that
+is fully available, the directives will be changed to a more reasonable
+path in this file. For example
+    cgo windows CFLAGS -I"c:/Program Files/IBM/MQ/tools/c/include" -m64
 
 The build directives for Linux assume the default MQ installation path
 in /opt/mqm. These would need to be changed in this file if you use a