Fixes pdfinfo to respect page rotation.

--- pdfinfo.cc	2010-12-27 23:44:28.000000000 +0300
+++ pdfinfo.cc	2011-10-20 14:49:23.501758750 +0400
@@ -111,6 +111,8 @@ int main(int argc, char *argv[]) {
   int exitCode;
   int pg, i;
   GBool multiPage;
+  int r;
+  double xchg;
 
   exitCode = 99;
 
@@ -232,6 +234,10 @@ int main(int argc, char *argv[]) {
   for (pg = firstPage; pg <= lastPage; ++pg) {
     w = doc->getPageCropWidth(pg);
     h = doc->getPageCropHeight(pg);
+    r = doc->getPageRotate(pg);
+    if ((r != 0) && ((r % 180) != 0)) {
+      xchg = h; h = w; w = xchg;
+    }
     if (multiPage) {
       printf("Page %4d size: %g x %g pts", pg, w, h);
     } else {