Stop building if PWD or OUT_PWD contains space.

--HG--
branch : develop

Valentina.pro

@@ -6,6 +6,13 @@ include(common.pri)
     error("Use at least Qt 5.0.0.")
 }
 
+#These checks need because we can quote all paths that contain space.
+LIST = $$split(PWD,' ')
+count(LIST, 1, >): error("The build will fail. Path '$${PWD}' contains space!!!")
+
+LIST = $$split(OUT_PWD,' ')
+count(LIST, 1, >): error("The build will fail. Path '$${OUT_PWD}' contains space!!!")
+
 unix {
     *-g++ {
         GCC_VERSION = $$system("g++ -dumpversion")