Updates to osgText and osgDB so that the loading of text fonts can use

osgDB::findFile() to locate font files from the OSGFILEPATH environmental
variable.

src/osgDB/FileUtils.cpp

@@ -63,6 +63,7 @@ static const char *s_default_dso_path = "/usr/lib/osgPlugins/";
 static char *s_filePath = ".:";
 #endif
 
+static bool s_filePathInitialized = false;
 
 void osgDB::initFilePath( void )
 {
@@ -76,6 +77,7 @@ void osgDB::initFilePath( void )
     {
         notify(DEBUG_INFO) << "osgDB::Init(NULL)"<<endl;
     }
+    s_filePathInitialized = true;
 }
 
 
@@ -96,6 +98,8 @@ void osgDB::setFilePath( const char *_path )
     strcat( buff, _path );
 
     s_filePath = strdup( buff );
+
+    s_filePathInitialized = true;
 }
 
 
@@ -152,6 +156,8 @@ char *osgDB::findFile( const char *file )
 {
     if (!file) return NULL;
     
+    if (!s_filePathInitialized) initFilePath();
+
     char* newFileName = findFileInPath( file, s_filePath );
     if (newFileName) return newFileName;
     

src/osgText/Makefile

@@ -28,7 +28,7 @@ C++FILES = \
 TARGET_BASENAME = osgText
 
 
-LIBS    = -L../../lib -lfreetype -losgDB -losgUtil -losg -lGLU -lGL -lm
+LIBS    = -L../../lib -lfreetype -losgDB -losg -lGLU -lGL -lm
 
 LIB	= ../../lib/lib$(TARGET_BASENAME).so
 #LIB	= ../../lib/lib$(TARGET_BASENAME).a

src/osgText/Text.cpp

@@ -15,6 +15,8 @@
 
 #include <osgText/Text>
 
+#include <osgDB/FileUtils>
+
 #include "FTFace.h"
 #include "FTGLBitmapFont.h"
 #include "FTGLPixmapFont.h"
@@ -63,16 +65,21 @@ bool Font::
 open(const std::string& font)
 {
 	clear();
+        
+        char* filename = osgDB::findFile(font.c_str());
+        if (filename)
+        {
 
-	_font=createFontObj();
-	if( _font!=NULL && _font->Open(font.c_str()) )
-	{
-		_init=true;
-		_fontName=font;
-		return true;
-	}
-	else
-		return false;
+	    _font=createFontObj();
+	    if( _font!=NULL && _font->Open(filename) )
+	    {
+		    _init=true;
+		    _fontName=font;
+		    return true;
+	    }
+	    else
+		    return false;
+        }
 }
 
 bool Font::