postgresql: update to version 9.6.3

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

libs/postgresql/patches/800-busybox-default-pager.patch

@@ -1,13 +1,14 @@
---- a/src/bin/psql/print.h
-+++ b/src/bin/psql/print.h
-@@ -179,10 +179,6 @@ extern void printQuery(const PGresult *r
- extern void setDecimalLocale(void);
- extern const printTextFormat *get_line_style(const printTableOpt *opt);
+--- a/src/include/fe_utils/print.h
++++ b/src/include/fe_utils/print.h
+@@ -17,11 +17,7 @@
  
+ 
+ /* This is not a particularly great place for this ... */
 -#ifndef __CYGWIN__
 -#define DEFAULT_PAGER "more"
 -#else
  #define DEFAULT_PAGER "less"
 -#endif
  
- #endif   /* PRINT_H */
+ enum printFormat
+ {