Add DrawCircleLinesV for consistency (#3452)

ImageDrawCircleLinesV already existed, so I'm not sure why this was
missing. It is trivial to implement, anyway

src/raylib.h

@@ -1207,6 +1207,7 @@ RLAPI void DrawCircleSectorLines(Vector2 center, float radius, float startAngle,
 RLAPI void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Color color2);       // Draw a gradient-filled circle
 RLAPI void DrawCircleV(Vector2 center, float radius, Color color);                                       // Draw a color-filled circle (Vector version)
 RLAPI void DrawCircleLines(int centerX, int centerY, float radius, Color color);                         // Draw circle outline
+RLAPI void DrawCircleLinesV(Vector2 center, float radius, Color color);                                  // Draw circle outline (Vector version)
 RLAPI void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color);             // Draw ellipse
 RLAPI void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color);        // Draw ellipse outline
 RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring

src/rshapes.c

@@ -670,6 +670,12 @@ void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Co
 
 // Draw circle outline
 void DrawCircleLines(int centerX, int centerY, float radius, Color color)
+{
+    DrawCircleLinesV((Vector2){ (float)centerX, (float)centerY }, radius, color);
+}
+
+// Draw circle outline (Vector version)
+void DrawCircleLinesV(Vector2 center, float radius, Color color)
 {
     rlBegin(RL_LINES);
         rlColor4ub(color.r, color.g, color.b, color.a);
@@ -677,8 +683,8 @@ void DrawCircleLines(int centerX, int centerY, float radius, Color color)
         // NOTE: Circle outline is drawn pixel by pixel every degree (0 to 360)
         for (int i = 0; i < 360; i += 10)
         {
-            rlVertex2f(centerX + cosf(DEG2RAD*i)*radius, centerY + sinf(DEG2RAD*i)*radius);
-            rlVertex2f(centerX + cosf(DEG2RAD*(i + 10))*radius, centerY + sinf(DEG2RAD*(i + 10))*radius);
+            rlVertex2f(center.x + cosf(DEG2RAD*i)*radius, center.y + sinf(DEG2RAD*i)*radius);
+            rlVertex2f(center.x + cosf(DEG2RAD*(i + 10))*radius, center.y + sinf(DEG2RAD*(i + 10))*radius);
         }
     rlEnd();
 }