Patch #1550800: make exec a function.

Tools/scripts/fixdiv.py

@@ -113,7 +113,7 @@ Notes:
   future division statement.
 
 - Warnings may be issued for code not read from a file, but executed
-  using an exec statement or the eval() function.  These may have
+  using the exec() or eval() functions.  These may have
   <string> in the filename position, in which case the fixdiv script
   will attempt and fail to open a file named '<string>' and issue a
   warning about this failure; or these may be reported as 'Phantom'

Tools/scripts/h2py.py

@@ -130,7 +130,7 @@ def process(fp, outfp, env = {}):
             ok = 0
             stmt = '%s = %s\n' % (name, body.strip())
             try:
-                exec stmt in env
+                exec(stmt, env)
             except:
                 sys.stderr.write('Skipping: %s' % stmt)
             else:
@@ -142,7 +142,7 @@ def process(fp, outfp, env = {}):
             body = pytify(body)
             stmt = 'def %s(%s): return %s\n' % (macro, arg, body)
             try:
-                exec stmt in env
+                exec(stmt, env)
             except:
                 sys.stderr.write('Skipping: %s' % stmt)
             else: