libgdal: fix build

srcpkgs/libgdal/patches/poppler-069.patch

@@ -300,3 +300,54 @@ index a3b88583425..c9ca28d3cd9 100644
  
  # Uncomment for PDF support
 
+--- frmts/pdf/pdfdataset.cpp.orig    2018-11-08 20:25:24.398021193 +0100
++++ frmts/pdf/pdfdataset.cpp 2018-11-08 20:35:15.305346284 +0100
+@@ -2599,7 +2599,7 @@
+ #else
+                                     int nPos,
+ #endif
+-                                    char *pszMsg)
++                                    const char *pszMsg)
+ {
+     CPLString osError;
+
+@@ -4442,7 +4442,7 @@
+ #ifdef HAVE_POPPLER
+     if (bUseLib.test(PDFLIB_POPPLER))
+     {
+-        PDFRectangle* psMediaBox = poPagePoppler->getMediaBox();
++        const PDFRectangle* psMediaBox = poPagePoppler->getMediaBox();
+         dfX1 = psMediaBox->x1;
+         dfY1 = psMediaBox->y1;
+         dfX2 = psMediaBox->x2;
+@@ -4454,7 +4454,7 @@
+     if (bUseLib.test(PDFLIB_PODOFO))
+     {
+         CPLAssert(poPagePodofo);
+-        PoDoFo::PdfRect oMediaBox = poPagePodofo->GetMediaBox();
++        const PoDoFo::PdfRect oMediaBox = poPagePodofo->GetMediaBox();
+         dfX1 = oMediaBox.GetLeft();
+         dfY1 = oMediaBox.GetBottom();
+         dfX2 = dfX1 + oMediaBox.GetWidth();
+@@ -4780,7 +4780,7 @@
+     GooString* poMetadata = poCatalogPoppler->readMetadata();
+     if (poMetadata)
+     {
+-        char* pszContent = poMetadata->getCString();
++        const char* pszContent = poMetadata->getCString();
+         if (pszContent != nullptr &&
+             STARTS_WITH(pszContent, "<?xpacket begin="))
+         {
+@@ -4784,10 +4784,10 @@
+         if (pszContent != nullptr &&
+             STARTS_WITH(pszContent, "<?xpacket begin="))
+         {
+-            char *apszMDList[2];
++            const char *apszMDList[2];
+             apszMDList[0] = pszContent;
+             apszMDList[1] = nullptr;
+-            poDS->SetMetadata(apszMDList, "xml:XMP");
++            poDS->SetMetadata((char **) apszMDList, "xml:XMP");
+         }
+         delete poMetadata;
+     }