Fixed VC++ warnings.

examples/boing.c

@@ -281,8 +281,8 @@ void mouse_button_callback( GLFWwindow* window, int button, int action, int mods
 
 void cursor_position_callback( GLFWwindow* window, double x, double y )
 {
-   cursor_x = x;
-   cursor_y = y;
+   cursor_x = (float) x;
+   cursor_y = (float) y;
 
    if ( override_pos )
       set_ball_pos(cursor_x, cursor_y);

examples/particles.c

@@ -30,12 +30,12 @@
 #include <math.h>
 #include <time.h>
 
-#define GLFW_INCLUDE_GLU
-#include <GLFW/glfw3.h>
-
 #include <tinycthread.h>
 #include <getopt.h>
 
+#define GLFW_INCLUDE_GLU
+#include <GLFW/glfw3.h>
+
 // Define tokens for GL_EXT_separate_specular_color if not already defined
 #ifndef GL_EXT_separate_specular_color
 #define GL_LIGHT_MODEL_COLOR_CONTROL_EXT  0x81F8