libwpd: MSVC warning C4310: cast truncates constant value

Change-Id: Ibd6c7299b612d05d4c00ddfe47b51f45e3ae07d8

libwpd/UnpackedTarball_wpd.mk

@@ -14,6 +14,7 @@ $(eval $(call gb_UnpackedTarball_set_tarball,wpd,$(WPD_TARBALL)))
 $(eval $(call gb_UnpackedTarball_add_patches,wpd,\
 	libwpd/libwpd-0.9.4.patch \
 	libwpd/libwpd-0.9.4-warning.patch \
+	libwpd/libwpd-0.9.4-msvc-warning.patch \
 ))
 # libwpd/libwpd-0.9.4-warning.patch: -Werror,-Wunused-private-field
 

libwpd/libwpd-0.9.4-msvc-warning.patch

+MSVC warning C4310: cast truncates constant value
+
+diff -ru foo/UnpackedTarball/wpd/src/lib/WP3PageFormatGroup.cpp wpd_fix/src/lib/WP3PageFormatGroup.cpp
+--- foo/UnpackedTarball/wpd/src/lib/WP3PageFormatGroup.cpp	2011-10-28 15:37:47.000000000 +0200
++++ foo/UnpackedTarball/wpd_fix/src/lib/WP3PageFormatGroup.cpp	2012-09-10 15:09:06.222400000 +0200
+@@ -56,6 +56,7 @@
+ {
+ 	// this group can contain different kinds of data, thus we need to read
+ 	// the contents accordingly
++	uint8_t tmpTmp = 0xff;
+ 	int8_t tmpTabType = 0;
+ 	double tmpTabPosition = 0.0;
+ 	WPXTabStop tmpTabStop = WPXTabStop();
+@@ -93,8 +94,9 @@
+ 
+ 		m_isRelative = (readU8(input, encryption) & 0x01);
+ 
+-		while ((tmpTabType = (int8_t)readU8(input, encryption))  != (int8_t)0xff)
++		while ((tmpTmp = readU8(input, encryption)) != 0xff)
+ 		{
++			tmpTabType = (int8_t) tmpTmp;
+ 			if (input->atEOS())
+ 				throw FileException();
+ 			tmpTabPosition = fixedPointToDouble(readU32(input, encryption, true)) / 72.0;