Bump CMake version to 2.8.7

CMakeLists.txt

@@ -1,4 +1,4 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 2.4.5)
+CMAKE_MINIMUM_REQUIRED(VERSION 2.8.7)
 
 PROJECT(lmms)
 
@@ -116,17 +116,16 @@ ELSE()
 	SET(QT_MIN_VERSION "4.6.0" COMPONENTS QtCore QtGui QtXml)
 	FIND_PACKAGE(Qt4 REQUIRED)
 	SET(QT_USE_QTXML 1)
-	EXEC_PROGRAM(${QT_QMAKE_EXECUTABLE} ARGS "-query QT_INSTALL_TRANSLATIONS" OUTPUT_VARIABLE QT_TRANSLATIONS_DIR)
 	IF(WIN32)
 		SET(QT_TRANSLATIONS_DIR "${MINGW_PREFIX}/share/qt4/translations/")
 	ENDIF(WIN32)
 	IF(EXISTS "${QT_TRANSLATIONS_DIR}")
 		MESSAGE("-- Found Qt translations in ${QT_TRANSLATIONS_DIR}")
 		ADD_DEFINITIONS(-D'QT_TRANSLATIONS_DIR="${QT_TRANSLATIONS_DIR}"')
-	ENDIF(EXISTS "${QT_TRANSLATIONS_DIR}")
+	ENDIF()
 	IF(NOT WIN32)
 		STRING(REPLACE "-DQT_DLL" "" QT_DEFINITIONS "${QT_DEFINITIONS}")
-	ENDIF(NOT WIN32)
+	ENDIF()
 	INCLUDE("${QT_USE_FILE}")
 ENDIF()