Improve glfwinfo extension listing

tests/glfwinfo.c

@@ -159,24 +159,28 @@ static void list_extensions(int api, int major, int minor)
         glGetIntegerv(GL_NUM_EXTENSIONS, &count);
 
         for (i = 0;  i < count;  i++)
-            puts((const char*) glGetStringi(GL_EXTENSIONS, i));
+            printf(" %s\n", (const char*) glGetStringi(GL_EXTENSIONS, i));
     }
     else
     {
         extensions = glGetString(GL_EXTENSIONS);
         while (*extensions != '\0')
         {
-            if (*extensions == ' ')
-                putchar('\n');
-            else
-                putchar(*extensions);
+            putchar(' ');
 
+            while (*extensions != '\0' && *extensions != ' ')
+            {
+                putchar(*extensions);
                 extensions++;
             }
-    }
+
+            while (*extensions == ' ')
+                extensions++;
 
             putchar('\n');
         }
+    }
+}
 
 static int valid_version(void)
 {