[raylib.h] Added space after comma (#4774)

args for ImageResizeNN were missing a space in the arguments after a comma, i just added one.

src/raylib.h

@@ -1365,7 +1365,7 @@ RLAPI void ImageAlphaPremultiply(Image *image);
 RLAPI void ImageBlurGaussian(Image *image, int blurSize);                                                // Apply Gaussian blur using a box blur approximation
 RLAPI void ImageKernelConvolution(Image *image, const float *kernel, int kernelSize);                    // Apply custom square convolution kernel to image
 RLAPI void ImageResize(Image *image, int newWidth, int newHeight);                                       // Resize image (Bicubic scaling algorithm)
-RLAPI void ImageResizeNN(Image *image, int newWidth,int newHeight);                                      // Resize image (Nearest-Neighbor scaling algorithm)
+RLAPI void ImageResizeNN(Image *image, int newWidth, int newHeight);                                     // Resize image (Nearest-Neighbor scaling algorithm)
 RLAPI void ImageResizeCanvas(Image *image, int newWidth, int newHeight, int offsetX, int offsetY, Color fill); // Resize canvas and fill with color
 RLAPI void ImageMipmaps(Image *image);                                                                   // Compute all mipmap levels for a provided image
 RLAPI void ImageDither(Image *image, int rBpp, int gBpp, int bBpp, int aBpp);                            // Dither image data to 16bpp or lower (Floyd-Steinberg dithering)