Changed multi-line C comments into another style.

The left side doesn't look unbalanced.

src/common/searchpath.h

@@ -71,33 +71,33 @@ void AddSearchPath (SearchPaths* P, const char* NewPath);
 
 void AddSearchPathFromEnv (SearchPaths* P, const char* EnvVar);
 /* Add a search path from an environment variable to the end of an existing
- * list.
- */
+** list.
+*/
 
 void AddSubSearchPathFromEnv (SearchPaths* P, const char* EnvVar, const char* SubDir);
 /* Add a search path from an environment variable, adding a subdirectory to
- * the environment variable value.
- */
+** the environment variable value.
+*/
 
 void AddSubSearchPathFromWinBin (SearchPaths* P, const char* SubDir);
 /* Windows only:
- * Add a search path from the running binary, adding a subdirectory to
- * the parent directory of the directory containing the binary.
- */
+** Add a search path from the running binary, adding a subdirectory to
+** the parent directory of the directory containing the binary.
+*/
 
 int PushSearchPath (SearchPaths* P, const char* NewPath);
 /* Add a new search path to the head of an existing search path list, provided
- * that it's not already there. If the path is already at the first position,
- * return zero, otherwise return a non zero value.
- */
+** that it's not already there. If the path is already at the first position,
+** return zero, otherwise return a non zero value.
+*/
 
 void PopSearchPath (SearchPaths* P);
 /* Remove a search path from the head of an existing search path list */
 
 char* SearchFile (const SearchPaths* P, const char* File);
 /* Search for a file in a list of directories. Return a pointer to a malloced
- * area that contains the complete path, if found, return 0 otherwise.
- */
+** area that contains the complete path, if found, return 0 otherwise.
+*/