Merge pull request svga#81 from yyued/2.5.1-dev

fix iOS 13 beta parser failed.

Author: PonyCui

Source/SVGAParser.m

@@ -195,7 +195,8 @@ - (void)parseWithData:(nonnull NSData *)data
         return;
     }
     NSData *tag = [data subdataWithRange:NSMakeRange(0, 4)];
-    if (![[tag description] isEqualToString:@"<504b0304>"]) {
+    NSString *fileTagDes = [tag description];
+    if (![fileTagDes containsString:@"504b0304"]) {
         // Maybe is SVGA 2.0.0
         [parseQueue addOperationWithBlock:^{
             NSData *inflateData = [self zlibInflate:data];

Source/SVGAVideoEntity.m

@@ -140,7 +140,7 @@ - (void)resetImagesWithProtoObject:(SVGAProtoMovieEntity *)protoObject {
         if (fileName != nil) {
             NSString *filePath = [self.cacheDir stringByAppendingFormat:@"/%@.png", fileName];
             if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
-               filePath = [self.cacheDir stringByAppendingFormat:@"/%@", fileName];
+                filePath = [self.cacheDir stringByAppendingFormat:@"/%@", fileName];
             }
             if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {
                 NSData *imageData = [NSData dataWithContentsOfFile:filePath];
@@ -154,11 +154,11 @@ - (void)resetImagesWithProtoObject:(SVGAProtoMovieEntity *)protoObject {
         }
         else if ([protoImages[key] isKindOfClass:[NSData class]]) {
             NSData *fileTag = [protoImages[key] subdataWithRange:NSMakeRange(0, 4)];
-            if (![[fileTag description] isEqualToString:@"<89504e47>"]) {
+            NSString *fileTagDes = [fileTag description];
+            if (![fileTagDes containsString:@"89504e47"]) {
                 // mp3
                 [audiosData setObject:protoImages[key] forKey:key];
-            }
-            else {
+            } else {
                 UIImage *image = [[UIImage alloc] initWithData:protoImages[key] scale:2.0];
                 if (image != nil) {
                     [images setObject:image forKey:key];
@@ -181,7 +181,7 @@ - (void)resetSpritesWithProtoObject:(SVGAProtoMovieEntity *)protoObject {
     }];
     self.sprites = sprites;
 }
-    
+
 - (void)resetAudiosWithProtoObject:(SVGAProtoMovieEntity *)protoObject {
     NSMutableArray<SVGAAudioEntity *> *audios = [[NSMutableArray alloc] init];
     NSArray *protoAudios = [protoObject.audiosArray copy];