[Rd] Double inclusion of "int R_OutputCon" from src/include/Rconnections.h (PR#996)

[thoffman@zappa.sax.de]

I got a double defined symbol when linking src/modules/internet.dll
because 
internet.c and sockconn.c include Rconnections.h (... and do not even
need
R_OutputCon).

One should possibly remove such a global definitinon from the header
file.
As a temporary solution I declared the variable extern in Rconnections.h
and 
added in src/main/printutils.c the definition (only this file and
src/main/connections.c really use the variable).

--please do not edit the information below--

Version:
 platform = i386-pc-os2_emx
 arch = i386
 os = os2_emx
 system = i386, os2_emx
 status = 
 major = 1
 minor = 2.3
 year = 2001
 month = 04
 day = 26
 language = R

Search Path:
 .GlobalEnv, package:ctest, Autoloads, package:base


-- 
Thomas Hoffmann                                    Telephone:
49-351-4598831
thoffman@zappa.sax.de                                       Dresden,
Germany

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