[Groff] Typo in pic documentation

[Ralph Graulich]

Hi,

I think there is a small typo in the documentation for the pic preprocessor 
(doc/pic.ms in the source tree). Compare figure 3-1 and the source code for the 
figure, which is printed after the figure.

Patch:

--- groff-1.21/doc/pic.ms       2010-12-31 08:33:09.000000000 +0100
+++ groff-1.21/doc/pic.ms.fixed 2011-01-19 00:15:13.000000000 +0100
@@ -188,7 +188,7 @@
 \&.PS
 ellipse "document";
 arrow;
-box width 0.6 "\efIpic\e/\efP(1)"
+box width 0.6 "\efIgpic\e/\efP(1)"
 arrow;
 box width 1.1 "\efIgtbl\e/\efP(1) or \efIgeqn\e/\efP(1)" "(optional)" dashed;
 arrow;


Best regards
Ralph