Fix clang warnings

Author: AMDmi3

input.cpp

@@ -193,7 +193,7 @@ bool controllerClass::get()
       }
 
     } else {
-      GLfloat x; //This is the actual traveling speed of the paddle
+      GLfloat x = 0.0; //This is the actual traveling speed of the paddle
       if(joystickx > setting.JoyCalHighJitter)
       {
         x = joystickRightX * joystickx;

menu.cpp

@@ -912,7 +912,9 @@ vector<struct themeInfo> tI; //Vector of theme info
       //Find out how many lines we have room for in the box.
       int nl= (1.26/glText->getHeight(FONT_MENUHIGHSCORE));
       //If theres room for more than 20, only show 20..
-      nl > 20 ? nl=20 : nl=nl;
+      if (nl > 20) {
+        nl = 20;
+      }
 
       for(int i=0; i < nl; i++)
       {