SCI: Fix warnings

Thanks to DrMcCoy for reporting them

3 files changed, 4 insertions, 3 deletions

diff --git a/engines/sci/engine/file.cpp b/engines/sci/engine/file.cpp
index 3470d23fe2..c44963f457 100644
--- a/engines/sci/engine/file.cpp
+++ b/engines/sci/engine/file.cpp
@@ -427,7 +427,7 @@ bool VirtualIndexFile::seek(int32 offset, int whence) {
 		_ptr = _buffer + offset;
 		break;
 	case SEEK_END:
-		assert(_bufferSize - offset >= 0);
+		assert((int32)_bufferSize - offset >= 0);
 		_ptr = _buffer + (_bufferSize - offset);
 		break;
 	}
diff --git a/engines/sci/engine/kgraphics32.cpp b/engines/sci/engine/kgraphics32.cpp
index 53cf8ada75..377c05935a 100644
--- a/engines/sci/engine/kgraphics32.cpp
+++ b/engines/sci/engine/kgraphics32.cpp
@@ -241,6 +241,7 @@ reg_t kSetShowStyle(EngineState *s, int argc, reg_t *argv) {
 	//int16 priority = argv[4].toSint16();	// always 0xc8 (200) when fading in/out
 	//uint16 animate = argv[5].toUint16();	// boolean, animate or not while the transition lasts
 	//uint16 refFrame = argv[6].toUint16();	// refFrame, always 0 when fading in/out
+#if 0
 	int16 divisions;
 
 	// If the game has the pFadeArray selector, another parameter is used here,
@@ -252,7 +253,7 @@ reg_t kSetShowStyle(EngineState *s, int argc, reg_t *argv) {
 	} else {
 		divisions = (argc >= 8) ? argv[7].toSint16() : -1;	// divisions (transition steps?)
 	}
-
+#endif
 	if (showStyle > 15) {
 		warning("kSetShowStyle: Illegal style %d for plane %04x:%04x", showStyle, PRINT_REG(planeObj));
 		return s->r_acc;
diff --git a/engines/sci/engine/script.cpp b/engines/sci/engine/script.cpp
index 0ed9598b41..ca7eaad383 100644
--- a/engines/sci/engine/script.cpp
+++ b/engines/sci/engine/script.cpp
@@ -199,7 +199,7 @@ void Script::load(int script_nr, ResourceManager *resMan) {
 			_localsOffset = 0;
 
 		if (_localsOffset + _localsCount * 2 + 1 >= (int)_bufSize) {
-			error("Locals extend beyond end of script: offset %04x, count %d vs size %d", _localsOffset, _localsCount, _bufSize);
+			error("Locals extend beyond end of script: offset %04x, count %d vs size %d", _localsOffset, _localsCount, (int)_bufSize);
 			//_localsCount = (_bufSize - _localsOffset) >> 1;
 		}
 	}