Corrected typo

src/rlgl.h

@@ -1510,7 +1510,7 @@ void rlDeleteRenderTextures(RenderTexture2D target)
     if (target.depth.id > 0) 
     {
 #if defined(GRAPHICS_API_OPENGL_ES2)
-        glDeleteRenderBuffers(1, &target.depth.id);
+        glDeleteRenderbuffers(1, &target.depth.id);
 #elif defined(GRAPHICS_API_OPENGL_33)
         glDeleteTextures(1, &target.depth.id);
 #endif
@@ -2263,7 +2263,7 @@ RenderTexture2D rlLoadRenderTexture(int width, int height)
         if (target.depth.id > 0) 
         {
 #if defined(GRAPHICS_API_OPENGL_ES2)
-            glDeleteRenderBuffers(1, &target.depth.id);
+            glDeleteRenderbuffers(1, &target.depth.id);
 #elif defined(GRAPHICS_API_OPENGL_33)
             glDeleteTextures(1, &target.depth.id);
 #endif