Fixed gcc warnings for unused var and unitialiazed vars.

NOTE: I had to fix NMesh.c, Mesh_fromNMesh(), that is a real bad
function... it was returning a Py object as a Mesh (on error).
This is still not really solved (NULL return is not handled).

source/blender/blenkernel/intern/font.c

@@ -613,7 +613,7 @@ struct chartrans *text_to_curve(Object *ob, int mode)
 	VFont *vfont, *oldvfont;
 	VFontData *vfd= NULL;
 	Curve *cu, *cucu;
-	struct chartrans *chartransdata, *ct;
+	struct chartrans *chartransdata=NULL, *ct;
 	float distfac, tabfac, ctime, dtime, tvec[4], vec[4], rotvec[3], minx, maxx, miny, maxy;
 	float cmat[3][3], timeofs, si, co, sizefac;
 	float *f, maxlen=0, xof, yof, xtrax, linedist, *linedata, *linedata2, *linedata3, *linedata4;

source/blender/blenkernel/intern/softbody.c

@@ -365,9 +365,9 @@ int sb_detect_collision(float opco[3], float facenormal[3], float *damp,
 
 			/* only with deflecting set */
 			if(ob->pd && ob->pd->deflect) {
-				DerivedMesh *dm=NULL;				
-				DispListMesh  *disp_mesh = 0;
-				MFace *mface;
+				DerivedMesh *dm= NULL;				
+				DispListMesh *disp_mesh= NULL;
+				MFace *mface= NULL;
 				Object *copyob;
 				int dmNeedsFree;				
 				

source/blender/python/api2_2x/Mathutils.c

@@ -486,8 +486,9 @@ PyObject *M_Mathutils_AngleBetweenVecs(PyObject * self, PyObject * args)
 	}
 	dot /= (sqrt(test_v1) * sqrt(test_v2));
 
-	if (dot < -1.0f || dot > 1.0f) 
+	if (dot < -1.0f || dot > 1.0f) {
 		CLAMP(dot,-1.0f,1.0f);
+	}
 	angleRads = (double)acos(dot);
 
 	return PyFloat_FromDouble(angleRads * (180/ Py_PI));

source/blender/python/api2_2x/NMesh.c

@@ -1456,21 +1456,29 @@ static PyObject *NMesh_getVertexInfluences( PyObject * self, PyObject * args )
 	return influence_list;
 }
 
+/* this call is VERY BAD! needs fixing (return NULL is not being handled) */
 Mesh *Mesh_fromNMesh( BPy_NMesh * nmesh , int store_edges )
 {
 	Mesh *mesh = NULL;
+	
 	mesh = add_mesh(  );
 
-	if( !mesh )
+	if( !mesh ) {
 		EXPP_ReturnPyObjError( PyExc_RuntimeError,
 				       "FATAL: could not create mesh object" );
+		return NULL;
+	}
 
 	mesh->id.us = 0;	/* no user yet */
 	G.totmesh++;
-	if( !convert_NMeshToMesh( mesh, nmesh, store_edges ) )
-		return EXPP_ReturnPyObjError( PyExc_RuntimeError,
+	
+	/* NOTE! the EXPP_ function returns a pyObject *, and still it returned it as a mesh? (ton) */
+	if( !convert_NMeshToMesh( mesh, nmesh, store_edges ) ) {
+		EXPP_ReturnPyObjError( PyExc_RuntimeError,
 				"faces must have at 3 or 4 vertices" );
-
+		return NULL;
+	}
+	
 	return mesh;
 }
 

source/blender/src/editscreen.c

@@ -2599,7 +2599,7 @@ static void joinarea_interactive(ScrArea *area, ScrEdge *onedge)
 	struct ScrEdge *se;
 	unsigned short event;
 	short ok=0, val=0, mval[2];
-	char dir;
+	char dir=0;
 
 	sa1 = test_edge_area(sa1, onedge);
 	if(sa1==0) return;