premake: use *.cpp insteadl of **.cpp

src/BulletDynamics/premake4.lua

@@ -1,11 +1,21 @@
-	project "BulletDynamics"
-		
-	kind "StaticLib"
-	targetdir "../../lib"
-	includedirs {
-		"..",
-	}
-	files {
-		"**.cpp",
-		"**.h"
-	}
+	project "BulletDynamics"
+	kind "StaticLib"
+	includedirs {
+		"..",
+	}
+	files {
+		"Dynamics/*.cpp",
+                "Dynamics/*.h",
+                "ConstraintSolver/*.cpp",
+                "ConstraintSolver/*.h",
+                "Featherstone/*.cpp",
+                "Featherstone/*.h",
+                "MLCPSolvers/*.cpp",
+                "MLCPSolvers/*.h",
+                "Vehicle/*.cpp",
+                "Vehicle/*.h",
+                "Character/*.cpp",
+                "Character/*.h"
+
+	}
+