build: make build-mingw executable.

build-mingw

@@ -56,7 +56,7 @@ GTK_LIBS="$GTK_LIBS -lglib-2.0 -lgthread-2.0 -lgobject-2.0"
 LOL_LIBS="$LOL_LIBS -lSDL_image -lSDL_mixer -lSDLmain -lSDL -lopengl32 -lglew32"
 
 # Bootstrap, configure and make
-./bootstrap 
+./bootstrap
 ./configure CPPFLAGS="$CPPFLAGS" LDFLAGS="$LDFLAGS" \
             GTK_LIBS="$GTK_LIBS" LOL_LIBS="$LOL_LIBS"
 make