Add jpegint.h to jpeg module. Fix warning in Exif.

Change-Id: I098ad140d013f1bda057416b2e0622bc038d2a30

jpeg/ExternalPackage_jpeg.mk

@@ -13,6 +13,7 @@ $(eval $(call gb_ExternalPackage_add_unpacked_files,jpeg_inc,inc/external/jpeg,\
 	jconfig.h \
 	jerror.h \
 	jmorecfg.h \
+	jpegint.h \
 	jpeglib.h \
 ))
 

vcl/source/filter/jpeg/Exif.cxx

@@ -62,7 +62,7 @@ sal_Int32 Exif::getRotation()
         case LEFT_BOTTOM:
             return 900;
         default:
-            return 0;
+            break;
     }
     return 0;
 }
@@ -93,7 +93,6 @@ bool Exif::write(SvStream& rStream)
 bool Exif::processJpeg(SvStream& rStream, bool bSetValue)
 {
     sal_uInt16  aMagic16;
-    sal_uInt8   aMarker;
     sal_uInt16  aLength;
 
     rStream.Seek(STREAM_SEEK_TO_END);
@@ -113,7 +112,9 @@ bool Exif::processJpeg(SvStream& rStream, bool bSetValue)
 
     while(true)
     {
+        sal_uInt8 aMarker = 0xD9;
         sal_Int32 aCount;
+
         for (aCount = 0; aCount < 7; aCount++)
         {
             rStream >> aMarker;