LibWeb: Add SVG tag names for <linearGradient>s

Author: https://github.com/MacDue
Commit: https://github.com/SerenityOS/serenity/commit/2013761feb
Pull-request: https://github.com/SerenityOS/serenity/pull/18473
Reviewed-by: https://github.com/nico

Userland/Libraries/LibWeb/SVG/TagNames.h

@@ -23,13 +23,15 @@ namespace Web::SVG::TagNames {
     __ENUMERATE_SVG_TAG(svg)        \
     __ENUMERATE_SVG_TAG(text)
 
-#define ENUMERATE_SVG_TAGS             \
-    ENUMERATE_SVG_GRAPHICS_TAGS        \
-    __ENUMERATE_SVG_TAG(clipPath)      \
-    __ENUMERATE_SVG_TAG(defs)          \
-    __ENUMERATE_SVG_TAG(desc)          \
-    __ENUMERATE_SVG_TAG(foreignObject) \
-    __ENUMERATE_SVG_TAG(script)        \
+#define ENUMERATE_SVG_TAGS              \
+    ENUMERATE_SVG_GRAPHICS_TAGS         \
+    __ENUMERATE_SVG_TAG(clipPath)       \
+    __ENUMERATE_SVG_TAG(defs)           \
+    __ENUMERATE_SVG_TAG(desc)           \
+    __ENUMERATE_SVG_TAG(foreignObject)  \
+    __ENUMERATE_SVG_TAG(linearGradient) \
+    __ENUMERATE_SVG_TAG(script)         \
+    __ENUMERATE_SVG_TAG(stop)           \
     __ENUMERATE_SVG_TAG(title)
 
 #define __ENUMERATE_SVG_TAG(name) extern DeprecatedFlyString name;