gdi32: Declare some functions static

[Andrew Talbot]

Changelog:
    gdi32: Declare some functions static.

diff -urN a/dlls/gdi32/mapping.c b/dlls/gdi32/mapping.c
--- a/dlls/gdi32/mapping.c	2006-11-17 20:11:46.000000000 +0000
+++ b/dlls/gdi32/mapping.c	2007-01-08 19:38:53.000000000 +0000
@@ -35,7 +35,7 @@
  *
  * Fix viewport extensions for isotropic mode.
  */
-void MAPPING_FixIsotropic( DC * dc )
+static void MAPPING_FixIsotropic( DC * dc )
 {
     double xdim = fabs((double)dc->vportExtX * GetDeviceCaps( dc->hSelf, HORZSIZE ) /
                   (GetDeviceCaps( dc->hSelf, HORZRES ) * dc->wndExtX));
diff -urN a/dlls/gdi32/printdrv.c b/dlls/gdi32/printdrv.c
--- a/dlls/gdi32/printdrv.c	2006-11-17 20:11:46.000000000 +0000
+++ b/dlls/gdi32/printdrv.c	2007-01-08 20:08:20.000000000 +0000
@@ -439,7 +439,7 @@
 #define MAX_PRINT_JOBS 1
 #define SP_OK 1
 
-PPRINTJOB gPrintJobsTable[MAX_PRINT_JOBS];
+static PPRINTJOB gPrintJobsTable[MAX_PRINT_JOBS];
 
 
 static PPRINTJOB FindPrintJobFromHandle(HANDLE16 hHandle)