feat: Remove semicolon after if statements

src/parser.y

@@ -74,18 +74,18 @@ stats:    /* empty */
 		{
 			$$ = block_new();
 		}
-	| stats stat SEMICOLON
+	| stats stat
 		{
 			$$ = $1;
 			block_add_statement($$, $2);
 		}
 ;
 
-stat: print
-	| definition
-	| assignment
+stat: print SEMICOLON
+	| definition SEMICOLON
+	| assignment SEMICOLON
 	| if
-	| macrostat
+	| macrostat SEMICOLON
 ;
 
 print: PRINT expr

test/cases/011-if-else-default.in

@@ -2,18 +2,18 @@ if 1 {
     print "foo\n";
 } else {
     print "bar\n";
-};
+}
 
 if 0 {
     print "foobar\n";
 } else {
     print "baz\n";
-};
+}
 
 if 1 {
     print "no else\n";
-};
+}
 
 if 0 {
     print "this should not be printed\n";
-};
+}

test/cases/012-if-else-with-var.in

@@ -5,10 +5,10 @@ if a {
 
     if (a + 1) {
         print "b\n";
-    };
+    }
 
     var b = (a - 1);
     if b {
         print "c\n";
-    };
-};
+    }
+}

test/cases/014-local-scoping-default.in

@@ -1,7 +1,7 @@
 if 1 {
     var b = 0;
-};
+}
 
 if 1 {
     var b = 1;
-};
+}