Define HAVE_POSTGRES = 1 so ifdeffed pg related stuff can build

Add POSTGRESLIBADD with libs to be used for linking to pg stuff

git-svn-id: http://svn.osgeo.org/qgis/trunk@6080 c8812cc2-4d05-0410-92ff-de0c093fc19c

settings.pro

@@ -63,7 +63,7 @@ QMAKE_LFLAGS_SHLIB *= --no-undefined
 QT =
 
 QGSSVNVERSION=version0.8pre2
-DEFINES += HAVE_POSTGRESQL=0
+DEFINES += HAVE_POSTGRESQL=1
 #################################################################
 ##
 ## Destination dir
@@ -125,6 +125,8 @@ GRASSLIBADD=-lgrass_vect -lgrass_dig2 -lgrass_dgl -lgrass_rtree \
             -lgrass_I -lgrass_gproj -lgrass_gmath -lgrass_gis \
             -lgrass_datetime
 
+POSTGRESLIBADD=-lpq	    
+
 QGISCORELIBADD=-lqgis_core
 CONFIG(debug, debug|release){
   QGISCORELIBADD=$$member(QGISCORELIBADD, 0)-debug