reduce the scope of two variables

reduce the scope of two variables

REVIEW: 102057

effects/blur/blurshader.cpp

@@ -193,13 +193,13 @@ void GLSLBlurShader::unbind()
 
 int GLSLBlurShader::maxKernelSize() const
 {
-    int value;
 #ifdef KWIN_HAVE_OPENGLES
     // GL_MAX_VARYING_FLOATS not available in GLES
     // querying for GL_MAX_VARYING_VECTORS crashes on nouveau
     // using the minimum value of 8
     return 8 * 2;
 #else
+    int value;
     glGetIntegerv(GL_MAX_VARYING_FLOATS, &value);
     // Maximum number of vec4 varyings * 2
     // The code generator will pack two vec2's into each vec4.

effects/coverswitch/coverswitch.cpp

@@ -775,7 +775,6 @@ void CoverSwitchEffect::paintFrontWindow(EffectWindow* frontWindow, int width, i
 {
     if (frontWindow == NULL)
         return;
-    float distance = 0.0;
     bool specialHandlingForward = false;
     WindowPaintData data(frontWindow);
     data.xTranslate = area.width() * 0.5 - frontWindow->geometry().x() - frontWindow->geometry().width() * 0.5;
@@ -788,7 +787,8 @@ void CoverSwitchEffect::paintFrontWindow(EffectWindow* frontWindow, int width, i
         rightWindows = 1;
     }
     if (animation) {
-        if (direction == Right) {
+      float distance = 0.0;
+      if (direction == Right) {
             // move to right
             distance = -frontWindow->geometry().width() * 0.5f + area.width() * 0.5f +
                        (((float)displayWidth() * 0.5 * scaleFactor) - (float)area.width() * 0.5f) / rightWindows;