Plugins (gforce): Fix GCC 'may be used uninitialized' warnings.

Author: kaixiong

libvisual-plugins/plugins/actor/gforce/Common/GeneralTools/XStrList.cpp

@@ -95,13 +95,12 @@ long XStrList::Add( const UtilStr& inStr ) {
 
 
 long XStrList::FetchBestMatch( const UtilStr& inStr ) {
-	long			best, bestScore, score, i;
-	UtilStr*		str;
-
-	best = 0;
+	long     bestScore = 0;
+	long     best = 0;
+	UtilStr* str;
 
-	for ( i = 1; mStrings.Fetch( i, (void**) &str ); i++ ) {
-		score = str -> LCSMatchScore( inStr );
+	for ( long i = 1; mStrings.Fetch( i, (void**) &str ); i++ ) {
+		long score = str -> LCSMatchScore( inStr );
 		if ( score > bestScore || i == 1 ) {
 			best = i;
 			bestScore = score;

libvisual-plugins/plugins/actor/gforce/Common/UI/LineXX.cpp

@@ -137,7 +137,7 @@
 		halfW = ( tw ) >> 1;
 
 		if ( tw < 12 ) {
-			const char* c_shape;
+			const char* c_shape = nullptr;
 			__circ( tw, c_shape )
 			for ( j = 0; j < tw; j++ ) {
 				c_x = c_shape[ j ];

libvisual-plugins/plugins/actor/gforce/Common/io/CEgIStream.cpp

@@ -50,7 +50,7 @@ short int CEgIStream::GetShort() {
 
 
 unsigned char CEgIStream::GetByte() {
-	unsigned char c;
+	unsigned char c = 0;
 
 	if ( mIsTied ) {
 		if ( mPos != 0 ) {
@@ -74,7 +74,7 @@ unsigned char CEgIStream::GetByte() {
 
 
 unsigned char CEgIStream::PeekByte() {
-	unsigned char c;
+	unsigned char c = 0;
 
 	if ( mIsTied ) {
 		if ( mPos != 0 )

libvisual-plugins/plugins/actor/gforce/GForceCommon/GF_Palette.cpp

@@ -40,8 +40,10 @@ void GF_Palette::Assign( const ArgList& inArgs ) {
 
 
 void GF_Palette::Evaluate( PixPalEntry outPalette[ 256 ] ) {
-	int i;
-	float H, S, V, inc = 1.0 / 255.0;
+	float H = 0.0;
+	float S = 0.0;
+	float V = 0.0;
+	float inc = 1.0 / 255.0;
 
 	*mIntensity = 0;
 
@@ -50,7 +52,7 @@ void GF_Palette::Evaluate( PixPalEntry outPalette[ 256 ] ) {
 	if ( ! mS_I_Dep )	S = mS.Evaluate();
 	if ( ! mV_I_Dep )	V = mV.Evaluate();
 
-	for ( i = 0; i < 256; i++, *mIntensity += inc ) {
+	for ( int i = 0; i < 256; i++, *mIntensity += inc ) {
 
 		// Don't reevaluate vars that are indep of i
 		if ( mH_I_Dep )		H = mH.Evaluate();