msdev: add line breaks to solution

scripts/waflib/msdev.py

@@ -780,16 +780,16 @@ MSDEV_PROJECT = \
 
 MSDEV_SOLUTION = \
 '''
-Microsoft Visual Studio Solution File, Format Version 10.00
-# Visual Studio 2008
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-			Debug|Win32 = Debug|Win32
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-EndGlobal
+Microsoft Visual Studio Solution File, Format Version 10.00\n
+# Visual Studio 2008\n
+Global\n
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution\n
+			Debug|Win32 = Debug|Win32\n
+	EndGlobalSection\n
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution\n
+	EndGlobalSection\n
+	GlobalSection(SolutionProperties) = preSolution\n
+		HideSolutionNode = FALSE\n
+	EndGlobalSection\n
+EndGlobal\n
 '''