bugfix: fix compiler warnings for gcc-4.8.1.

code/BlenderBMesh.cpp

@@ -109,11 +109,11 @@ void BlenderBMeshConverter::AssertValidMesh( )
 // ------------------------------------------------------------------------------------------------
 void BlenderBMeshConverter::AssertValidSizes( )
 {
-	if ( BMesh->totpoly != BMesh->mpoly.size( ) )
+	if ( BMesh->totpoly != static_cast<int>( BMesh->mpoly.size( ) ) )
 	{
 		ThrowException( "BMesh poly array has incorrect size" );
 	}
-	if ( BMesh->totloop != BMesh->mloop.size( ) )
+	if ( BMesh->totloop != static_cast<int>( BMesh->mloop.size( ) ) )
 	{
 		ThrowException( "BMesh loop array has incorrect size" );
 	}

code/BlenderScene.cpp

@@ -251,10 +251,7 @@ template <> void Structure :: Convert<Base> (
 	const int initial_pos = db.reader->GetCurrentPos();
 
 	std::pair<Base*, int> todo = std::make_pair(&dest, initial_pos);
-
-	Base* saved_prev = NULL;
-
-	while(true) {
+	for ( ;; ) {
 	
 		Base& cur_dest = *todo.first;
 		db.reader->SetCurrentPos(todo.second);
@@ -265,10 +262,6 @@ template <> void Structure :: Convert<Base> (
 
 		ReadFieldPtr<ErrorPolicy_Warn>(cur_dest.object,"*object",db);
 
-		// just record the offset of the blob data and allocate storage.
-		// Does _not_ invoke Convert() recursively.
-		const int old = db.reader->GetCurrentPos();
-
 		// the return value of ReadFieldPtr indicates whether the object 
 		// was already cached. In this case, we don't need to resolve
 		// it again.

code/BlenderTessellator.cpp

@@ -51,11 +51,11 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "BlenderBMesh.h"
 #include "BlenderTessellator.h"
 
-#define BLEND_TESS_MAGIC ( 0x83ed9ac3 )
+static const unsigned int BLEND_TESS_MAGIC = 0x83ed9ac3;
 
 #if ASSIMP_BLEND_WITH_GLU_TESSELLATE
 
-namespace Assimp
+namspace Assimp
 {
 	template< > const std::string LogFunctions< BlenderTessellatorGL >::log_prefix = "BLEND_TESS_GL: ";
 }
@@ -382,7 +382,7 @@ inline PointP2T& BlenderTessellatorP2T::GetActualPointStructure( p2t::Point& poi
 {
 	unsigned int pointOffset = OffsetOf( PointP2T, point2D );
 	PointP2T& pointStruct = *reinterpret_cast< PointP2T* >( reinterpret_cast< char* >( &point ) - pointOffset );
-	if ( pointStruct.magic != BLEND_TESS_MAGIC )
+	if ( pointStruct.magic != static_cast<int>( BLEND_TESS_MAGIC ) )
 	{
 		ThrowException( "Point returned by poly2tri was probably not one of ours. This indicates we need a new way to store vertex information" );
 	}

code/IFCGeometry.cpp

@@ -325,8 +325,6 @@ void ProcessSweptDiskSolid(const IfcSweptDiskSolid solid, TempMesh& result, Conv
 		IFCImporter::LogError("failed to convert Directrix curve (IfcSweptDiskSolid)");
 		return;
 	}
-
-	const std::vector<IfcVector3>& in = result.verts;
 	
 	const unsigned int cnt_segments = 16;
 	const IfcFloat deltaAngle = AI_MATH_TWO_PI/cnt_segments;