msvc: rename script msvc/starpu_exec.bat to msvc/starpu_open.bat

INSTALL

@@ -228,7 +228,7 @@ variable STARPUPATH.
 cd c:\cygwin\home\ci\starpu\
 set STARPUPATH=c:\cygwin\home\ci\starpu\
 cd bin\msvc
-starpu_exec.bat starpu_simple.c
+starpu_open.bat starpu_simple.c
 
 The batch script will run Microsoft Visual C with a basic project file
 to run the given application.

tools/Makefile.am

@@ -30,7 +30,7 @@ EXTRA_DIST =				\
 	dev/rename.sed			\
 	dev/rename.sh			\
 	msvc/starpu_clean.bat		\
-	msvc/starpu_exec.bat		\
+	msvc/starpu_open.bat		\
 	msvc/starpu.sln			\
 	msvc/starpu/starpu.vcxproj
 
@@ -126,7 +126,7 @@ if STARPU_HAVE_WINDOWS
 STARPU_MSVC_dir		 =	$(bindir)
 nobase_STARPU_MSVC__DATA =		\
 	msvc/starpu_clean.bat		\
-	msvc/starpu_exec.bat		\
+	msvc/starpu_open.bat		\
 	msvc/starpu.sln			\
 	msvc/starpu/starpu.vcxproj
 endif