Fix build with ICU 65.

Taken from upstream:
https://bugs.webkit.org/show_bug.cgi?id=202600
https://trac.webkit.org/r250747

diff --git a/Source/WTF/wtf/URLHelpers.cpp b/Source/WTF/wtf/URLHelpers.cpp
index 18e7f13cd615..c584f1a0cb7e 100644
--- a/Source/WTF/wtf/URLHelpers.cpp
+++ b/Source/WTF/wtf/URLHelpers.cpp
@@ -301,7 +301,7 @@ static bool allCharactersInIDNScriptWhiteList(const UChar* buffer, int32_t lengt
     Optional<UChar32> previousCodePoint;
     while (i < length) {
         UChar32 c;
-        U16_NEXT(buffer, i, length, c)
+        U16_NEXT(buffer, i, length, c);
         UErrorCode error = U_ZERO_ERROR;
         UScriptCode script = uscript_getScript(c, &error);
         if (error != U_ZERO_ERROR) {
diff --git a/Source/WebCore/dom/Document.cpp b/Source/WebCore/dom/Document.cpp
index 2443e24c9bc4..1fbb3a716006 100644
--- a/Source/WebCore/dom/Document.cpp
+++ b/Source/WebCore/dom/Document.cpp
@@ -4954,12 +4954,12 @@ static bool isValidNameNonASCII(const UChar* characters, unsigned length)
     unsigned i = 0;
 
     UChar32 c;
-    U16_NEXT(characters, i, length, c)
+    U16_NEXT(characters, i, length, c);
     if (!isValidNameStart(c))
         return false;
 
     while (i < length) {
-        U16_NEXT(characters, i, length, c)
+        U16_NEXT(characters, i, length, c);
         if (!isValidNamePart(c))
             return false;
     }
@@ -5019,7 +5019,7 @@ ExceptionOr<std::pair<AtomString, AtomString>> Document::parseQualifiedName(cons
 
     for (unsigned i = 0; i < length; ) {
         UChar32 c;
-        U16_NEXT(qualifiedName, i, length, c)
+        U16_NEXT(qualifiedName, i, length, c);
         if (c == ':') {
             if (sawColon)
                 return Exception { InvalidCharacterError };