From Gabor Dorka, Fixes to memory leaks.

src/osgText/FTBitmapGlyph.cpp

@@ -24,8 +24,11 @@ FTBitmapGlyph::FTBitmapGlyph( FT_Glyph glyph)
     int srcHeight = source->rows;
     int srcPitch = source->pitch;
     
-    if (srcPitch*srcHeight==0) return;
-    
+    if (srcPitch*srcHeight==0) 
+    {
+        FT_Done_Glyph( glyph );
+        return;
+    }
 
     pos.x = bitmap->left;
     pos.y = srcHeight - bitmap->top;

src/osgText/FTOutlineGlyph.cpp

@@ -15,6 +15,7 @@ FTOutlineGlyph::FTOutlineGlyph( FT_Glyph glyph)
 {
     if( ft_glyph_format_outline != glyph->format)
     {
+        FT_Done_Glyph( glyph);
         return;
     }
 
@@ -27,6 +28,7 @@ FTOutlineGlyph::FTOutlineGlyph( FT_Glyph glyph)
     
     if (numContours==0)
     {
+        FT_Done_Glyph( glyph);
         return;
     }
     
@@ -50,7 +52,10 @@ FTOutlineGlyph::FTOutlineGlyph( FT_Glyph glyph)
     vectoriser=0;
     
     if ( ( numContours < 1) || ( numPoints < 3))
+    {
+        FT_Done_Glyph( glyph);
         return;
+    }
         
     glList = glGenLists(1);
     int d = 0;

src/osgText/FTPixmapGlyph.cpp

@@ -27,8 +27,11 @@ FTPixmapGlyph::FTPixmapGlyph( FT_Glyph glyph)
     int srcHeight = source->rows;
     int srcPitch = source->pitch;
 
-    if (srcWidth*srcHeight==0) return;
-
+    if (srcWidth*srcHeight==0) 
+    {
+        FT_Done_Glyph( glyph );
+        return;
+    }
     numGreys = source->num_grays;
 
      pos.x = bitmap->left;

src/osgText/FTPolyGlyph.cpp

@@ -64,7 +64,10 @@ FTPolyGlyph::FTPolyGlyph( FT_Glyph glyph)
     glList(0)
 {
     if( ft_glyph_format_outline != glyph->format)
-    { return;}
+    { 
+        FT_Done_Glyph( glyph );
+        return;
+    }
 
     advance = glyph->advance.x >> 16;
 
@@ -96,7 +99,10 @@ FTPolyGlyph::FTPolyGlyph( FT_Glyph glyph)
     vectoriser=0; // delete it, using ref_ptr.
 
     if ( ( numContours < 1) || ( numPoints < 3))
+    {
+        FT_Done_Glyph( glyph );
         return;
+    }
 
     Tesselate();