Avoid params being initialized out of order in Fuzzer

fuzz/FilterFuzz.cpp

Index: fuzz/FilterFuzz.cpp
diff --git a/fuzz/FilterFuzz.cpp b/fuzz/FilterFuzz.cpp
index 81e9bf1f15689756fb65624146bdfada6c6c38b0..c4756a141a4bc5e8a8c89c67b70d80c72dc09ec3 100644
--- a/fuzz/FilterFuzz.cpp
+++ b/fuzz/FilterFuzz.cpp
@@ -57,7 +57,8 @@ static bool return_large = false;
 static bool return_undef = false;
 
 static int R(int x) {
-    return abs(fuzz->next<int>()) % x;
+    int i; fuzz->nextRange(&i, 0, x-1);
+    return i;
 }
 
 #if defined _WIN32
@@ -131,7 +132,8 @@ static SkString make_font_name() {
 }
 
 static bool make_bool() {
-    return fuzz->next<bool>();
+    bool b; fuzz->next(&b);
+    return b;
 }
 
 static SkRect make_rect() {